Creamy White Chicken Mushroom and Spinach Lasagna Recipe

Creamy White Chicken, Mushroom & Spinach Lasagna: A Decadent Twist on a Classic Comfort Food

⚖️
Difficulty
Intermediate

⏲️
Prep Time
40 mins

🕒
Cook Time
50 mins

⏱️
Total Time
90 mins

🍽
Servings
8

This incredible creamy white chicken, mushroom, and spinach lasagna reimagines the beloved Italian casserole with an elegant, comforting twist. Instead of the traditional tomato-based sauce, this version features a luxurious, velvety béchamel sauce that perfectly complements the tender shredded chicken, earthy sautéed mushrooms, and vibrant fresh spinach. The result is a sophisticated yet deeply satisfying dish that feels both familiar and excitingly new. Furthermore, it is a fantastic way to elevate your weeknight dinner rotation or impress guests at your next dinner party.

The beauty of this creamy white chicken, mushroom, and spinach lasagna lies in its harmonious blend of textures and flavors. Each layer offers a new sensation, from the silky sauce to the hearty chicken and the slight bite of the pasta. This dish is a complete meal in itself, providing protein, vegetables, and carbohydrates in one delicious, cheesy package. It is the ultimate comfort food with a gourmet flair, guaranteed to become an instant family favorite.

Quick Recipe Highlights

  • Flavor Profile: This lasagna delivers a rich, savory experience with umami notes from the mushrooms, a subtle sweetness from the onions and garlic, and a bright, fresh finish from the spinach. The creamy sauce, infused with nutmeg and Parmesan, ties all the elements together beautifully.
  • Texture: Expect a delightful contrast between the tender, shredded chicken, the meaty slices of mushroom, the soft wilted spinach, and the perfectly al dente pasta sheets. The bubbly, golden-brown cheese topping provides a satisfying crunch.
  • Aroma: As it bakes, your kitchen will fill with the irresistible scent of garlic, sautéed mushrooms, and herbs mingling with the nutty aroma of browning cheese and creamy sauce. It is a truly mouthwatering experience.
  • Visual Appeal: When sliced, the lasagna reveals stunning, distinct layers of white sauce, green spinach, golden chicken, and dark mushrooms. The golden, bubbly cheese crust on top makes for a picture-perfect presentation.
  • Skill Level Needed: This recipe is intermediate, requiring basic skills like making a roux-based sauce and careful layering. However, the steps are straightforward and well-explained, making it accessible for confident beginners.
  • Special Equipment: You will need a 9×13 inch baking dish, a large skillet for sautéing, and a medium saucepan for the béchamel. A box grater for fresh Parmesan and a good chef’s knife are also recommended.

Recipe Overview

  • Difficulty Level: This creamy white chicken, mushroom, and spinach lasagna is rated intermediate because it involves several components that need to be prepared separately before assembly. Making a smooth, lump-free béchamel sauce is a key skill. However, the process is broken down into simple, manageable steps that any home cook can follow with success.
  • Category: This dish falls squarely into the comfort food and main course categories. It is a hearty, complete meal perfect for family dinners, potlucks, and special occasions. It also fits into the make-ahead meal category beautifully.
  • Cuisine: While inspired by Italian lasagna, this white version has influences from French cuisine through its use of béchamel. It is a modern fusion dish that celebrates creamy, cheesy pasta bakes from various European traditions.
  • Cost: The cost is moderate, largely dependent on the price of chicken and cheese. Using rotisserie chicken is a cost-effective and time-saving option. Mushrooms, spinach, and basic pantry staples keep the overall price reasonable for a meal that serves eight.
  • Season: This lasagna is wonderfully versatile across seasons. It provides warmth and comfort during fall and winter. Conversely, its creamy, non-tomato base makes it feel lighter and suitable for spring dinners or even summer evenings when served with a crisp salad.
  • Occasion: It is perfect for Sunday family suppers, holiday gatherings like Christmas Eve, potluck parties where you want to bring a show-stopping dish, or anytime you need a reliable, crowd-pleasing casserole.

Why You’ll Love This Recipe

First and foremost, the taste and texture of this creamy white chicken, mushroom, and spinach lasagna are simply extraordinary. The combination of the rich, velvety béchamel with the savory chicken and earthy mushrooms creates a deeply satisfying umami flavor profile. The spinach adds a pop of color and a fresh, slightly bitter note that cuts through the richness perfectly. Every forkful is a perfect balance of creamy, hearty, and fresh elements, making it a truly addictive eating experience.

From a convenience standpoint, this recipe offers significant benefits. While it requires some prep work, many components can be made in advance. You can sauté the chicken and vegetables a day ahead, and the entire lasagna can be assembled and refrigerated before baking. This makes it an ideal solution for busy weeknights or stress-free entertaining. Additionally, using no-boil lasagna noodles streamlines the process immensely, eliminating the extra step of cooking pasta and making assembly much cleaner and easier.

Nutritionally, this dish is a well-rounded meal. It packs a powerful protein punch from the chicken, essential vitamins and minerals from the spinach and mushrooms, and energy-providing carbohydrates from the pasta. You can easily boost the nutritional profile by using whole-wheat lasagna noodles and increasing the amount of spinach. It is a hearty, satisfying meal that fuels your body while delighting your taste buds.

The social and entertaining value of this lasagna cannot be overstated. It is a spectacular centerpiece for a dinner table, guaranteed to draw compliments from guests. It feeds a crowd effortlessly, and its universally appealing flavors please both adults and children alike. Serving this dish communicates care and effort, making your guests feel special and well-looked-after.

Finally, this creamy white chicken, mushroom, and spinach lasagna is remarkably cost-effective. It transforms affordable ingredients like chicken thighs, mushrooms, and basic dairy into a luxurious-feeling meal. It yields a large number of servings, providing excellent leftovers for lunches or another easy dinner. This makes it a smart choice for families looking to eat well without stretching their grocery budget.

Historical Background and Cultural Significance

Lasagna, in its earliest forms, dates back to ancient Greece. The word “lasagna” itself is derived from the Greek “lasanon,” which referred to a cooking pot. The Romans adopted the word as “lasanum,” meaning a container, and eventually, the food cooked within it took on the name. These earliest versions were likely simple sheets of dough layered with various ingredients and baked. The modern concept of layered pasta dishes evolved over centuries in Italy, with each region developing its own signature style.

The cultural significance of lasagna, particularly in Italy, is profound. It is a celebratory dish, often reserved for Sundays, holidays, and large family gatherings. In many Italian-American households, it holds a similar place of honor, symbolizing family, abundance, and love. The act of making lasagna, with its careful layering, is seen as a labor of love. This creamy white chicken, mushroom, and spinach lasagna is a modern iteration of this tradition, swapping the classic ragù for a creamy sauce to create a different but equally cherished experience.

The evolution towards white lasagnas, or “lasagne in bianco,” represents a regional variation from Northern Italy, where tomato-based sauces are less prevalent. Instead, they rely on béchamel, butter, and rich cheeses. This recipe builds on that Northern Italian tradition but incorporates proteins and vegetables like chicken and spinach, which are common in contemporary American cooking. It is a beautiful fusion that respects the old-world technique while embracing new-world flavors and ingredients.

Regional variations of lasagna are vast across Italy. In Naples and Southern Italy, lasagna is typically layered with ragù, mozzarella, and ricotta. In Bologna, the famous “Lasagna alla Bolognese” uses ragù, béchamel, and Parmigiano-Reggiano, but no ricotta. Our version, the creamy white chicken, mushroom, and spinach lasagna, is a creative departure that fits into a global cuisine landscape. It demonstrates how classic dishes can be adapted and personalized while still maintaining their soul-satisfying essence.

Ingredient Deep Dive

Chicken is the primary protein in this lasagna, providing substance and lean protein. For the best flavor and texture, we recommend using chicken thighs. They remain juicy and tender during the cooking and baking process, unlike breast meat which can dry out. You can also use a rotisserie chicken for ultimate convenience; simply shred the meat. From a nutritional standpoint, chicken is an excellent source of protein, B vitamins, and selenium. Store raw chicken in the coldest part of your refrigerator and use it within two days, or freeze it for longer storage.

Cremini mushrooms, also known as baby bellas, form the earthy backbone of this dish’s flavor. These mushrooms have a deeper, more robust flavor than white button mushrooms but are less intense than portobellos. They are rich in umami compounds, B vitamins, and antioxidants like selenium. When selecting mushrooms, look for firm, dry caps with a uniform color. Avoid any that are slimy or have dark, soft spots. Store them in a paper bag in the refrigerator; never store mushrooms in plastic as it traps moisture and accelerates spoilage.

Fresh spinach adds vibrant color and a nutritional boost. As it wilts, it melds seamlessly into the creamy layers, providing iron, vitamins A, C, and K, and fiber. You can use frozen spinach in a pinch, but be sure to thaw it completely and squeeze out every bit of excess water with your hands. Excess moisture is the enemy of a perfectly set lasagna and can make the final dish soupy. For the best texture and flavor, fresh spinach is highly recommended.

The béchamel sauce is the star of this creamy white chicken, mushroom, and spinach lasagna. This classic French “mother sauce” is made from a roux of butter and flour, cooked briefly to remove the raw flour taste, and then whisked with milk until thick and smooth. The key to a lump-free sauce is adding the milk gradually while whisking constantly. We enrich our béchamel with nutmeg, which is a traditional pairing that enhances the creamy flavor, and a generous amount of Parmesan cheese for a salty, nutty depth.

No-boil lasagna noodles are a modern kitchen miracle that simplifies this recipe tremendously. These noodles are partially cooked and then dried, so they absorb moisture from the sauces during baking, becoming perfectly tender. Using them eliminates the messy and time-consuming step of boiling and handling hot, sticky pasta sheets. Ensure that the noodles are completely covered with sauce during assembly to guarantee they cook through properly. You can substitute regular lasagna noodles, but you must boil them first according to package directions.

Common Mistakes to Avoid

  • Using a watery filling: Failing to properly cook down the mushrooms and spinach can release too much liquid into the lasagna. Always sauté until the mushrooms have browned and the spinach has fully wilted and its moisture has evaporated.
  • A lumpy béchamel sauce: Adding the milk too quickly to the roux is a common error. Instead, add the milk in a slow, steady stream while whisking constantly. This ensures a smooth, velvety sauce every time.
  • Underseasoning the layers: Each component—the chicken mixture, the spinach, and the béchamel—needs to be seasoned adequately with salt and pepper. Taste as you go, because bland layers will result in a bland final dish.
  • Overloading the layers: It is tempting to add heaping amounts of each ingredient, but this can make the lasagna unstable and difficult to slice. Use moderate, even layers for the best structure.
  • Not letting it rest: Cutting into the lasagna immediately after it comes out of the oven will cause it to fall apart. Let it rest for at least 15-20 minutes. This allows the layers to set, making for clean, beautiful slices.
  • Using cold ingredients: If you prepare your fillings ahead of time and they are cold from the fridge, the baking time will increase significantly. Let them come to room temperature before assembly for more consistent cooking.
  • Skimping on the top cheese layer: The top layer of cheese not only adds flavor but also protects the top layer of pasta from becoming hard and crunchy. A generous layer ensures a golden, bubbly, and tender finish.
  • Using the wrong baking dish: A 9×13 inch dish is standard for this recipe. Using a smaller dish will result in an overflow, while a larger dish will yield thin, overcooked layers.

Essential Techniques

Mastering the béchamel sauce is the most critical technique for this creamy white chicken, mushroom, and spinach lasagna. Start by melting butter over medium heat, then whisk in the flour to create a paste called a roux. Cook this for at least one minute to eliminate the raw flour taste. Next, gradually add warm milk while whisking constantly. This gradual incorporation is non-negotiable for preventing lumps. Continue to cook and whisk until the sauce thickens enough to coat the back of a spoon. Finally, season it well with salt, pepper, and a pinch of nutmeg.

Sautéing the mushrooms properly is essential for developing deep, savory flavor. Do not crowd the skillet; cook them in batches if necessary. Crowding causes the mushrooms to steam and release their liquid all at once, resulting in boiled rather than seared mushrooms. You want them to brown and caramelize, which concentrates their flavor. Let them sit undisturbed for a few minutes to get a good sear before stirring. This technique, known as the Maillard reaction, creates complex flavor compounds that form the umami base of your filling.

Layering the lasagna correctly ensures even cooking and perfect structure. Start with a thin layer of béchamel sauce on the bottom of the baking dish to prevent the noodles from sticking. Then, add a single layer of noodles, slightly overlapping them. Spread a portion of the chicken and mushroom mixture evenly, followed by spinach, then a generous amount of béchamel sauce, and a sprinkle of cheese. Repeat the process, ending with a layer of noodles, a thick layer of béchamel, and a final, generous topping of mozzarella and Parmesan.

Pro Tips for Perfect Creamy White Chicken, Mushroom & Spinach Lasagna

  • Grate your own cheese. Pre-shredded cheese contains anti-caking agents that can prevent it from melting as smoothly and seamlessly as cheese you grate yourself.
  • Warm your milk slightly before adding it to the roux. This helps the sauce thicken more evenly and reduces the risk of lumps forming.
  • Let your spinach cool and squeeze it thoroughly after wilting. Any residual water will dilute your sauce and make the lasagna runny.
  • Use a sharp, serrated knife to cut the baked lasagna. A serrated knife glides through the layers cleanly without squishing or tearing the delicate pasta.
  • For a deeper flavor, deglaze the mushroom skillet with a splash of white wine after sautéing, scraping up all the browned bits, and let it evaporate before adding the mixture to the chicken.
  • If the top of the lasagna is browning too quickly during baking, loosely tent it with a piece of aluminum foil to prevent burning while the center continues to cook.
  • For the ultimate creamy texture, use a combination of whole milk and a splash of heavy cream in your béchamel sauce.

Variations and Adaptations

For regional variations, you can take this creamy white chicken, mushroom, and spinach lasagna in several directions. Incorporate Italian sausage along with or instead of the chicken for a richer, spicier flavor profile. For a seafood twist, substitute the chicken with flaked cooked salmon or a mix of shrimp and scallops, adding fresh dill to the béchamel. A vegetarian version is easily achieved by omitting the chicken and doubling up on the mushrooms, perhaps adding some roasted butternut squash or zucchini for extra heartiness.

Seasonal adaptations keep this dish exciting year-round. In the spring, add fresh peas and asparagus tips. During summer, incorporate roasted red peppers and artichoke hearts. For a cozy fall version, use wild mushrooms like chanterelles or porcini and add a hint of sage. Winter calls for hearty greens like kale or Swiss chard in place of spinach. These simple swaps align the dish with what is fresh and available at your local market.

Dietary modifications are straightforward. For a gluten-free lasagna, use your favorite brand of gluten-free no-boil noodles and ensure your flour is a 1:1 gluten-free blend for the béchamel. To make it dairy-free, use vegan butter, unsweetened plant-based milk, and a high-quality vegan mozzarella and Parmesan cheese. For a lower-carb option, replace the pasta sheets with thin slices of zucchini or eggplant, salting them first to draw out excess moisture.

Serving and Presentation Guide

Plating this lasagna beautifully enhances the dining experience. Use a sharp, serrated knife to cut clean squares. Wipe the knife clean between cuts for pristine edges. Slide a flat, wide spatula underneath the portion, supporting it from the bottom, and lift it carefully onto the plate. For a restaurant-style presentation, place the slice slightly off-center on the plate, perhaps leaning gently against a small pile of a simple arugula salad dressed with lemon vinaigrette.

Garnishing adds the final touch of elegance. A simple sprinkle of fresh chopped parsley or basil provides a pop of color and fresh flavor. A few extra grinds of black pepper or a light dusting of Parmesan cheese also works well. For a more sophisticated garnish, consider a drizzle of high-quality extra virgin olive oil or a small dollop of basil pesto on the plate beside the lasagna slice.

Traditional accompaniments are simple and complementary. A crisp, green salad with a tangy vinaigrette is a classic choice that cuts through the richness of the pasta. Garlic bread or warm, crusty Italian bread is perfect for soaking up every last bit of the creamy sauce. For a vegetable side, consider roasted broccoli, green beans almondine, or a simple sauté of seasonal vegetables.

Wine and Beverage Pairing

Selecting the right wine can elevate your creamy white chicken, mushroom, and spinach lasagna to a new level. A white wine with good acidity and body, such as a Chardonnay, is an excellent choice. An unoaked or lightly oaked Chardonnay will complement the creamy sauce without overpowering it. For red wine lovers, a light to medium-bodied red like Pinot Noir works wonderfully. Its bright red fruit flavors and low tannins pair nicely with the chicken and mushrooms without clashing with the creamy sauce.

Non-alcoholic alternatives are just as important. Sparkling water with a twist of lemon or lime cleanses the palate between bites. For a more crafted option, a virgin basil lemonade provides a herbal, citrusy note that contrasts beautifully with the richness of the dish. Iced tea, either unsweetened or lightly sweetened, is another classic and refreshing pairing that works well.

If you prefer coffee or tea with your meal, opt for a medium-roast coffee. Its balanced flavor won’t overpower the lasagna. For tea, an Earl Grey with its bergamot notes can be a surprisingly pleasant companion, or a simple green tea for a lighter, more cleansing finish. Serve these beverages hot after the meal as a digestif rather than alongside the main course.

Storage and Shelf Life

Proper storage is key to maintaining the quality of your leftovers. Allow the lasagna to cool completely to room temperature, but do not leave it out for more than two hours to prevent bacterial growth. Cover the baking dish tightly with plastic wrap or aluminum foil, or transfer individual portions to airtight containers. Refrigerated, the lasagna will keep for up to 4 days. The flavors often meld and improve after a day, making the leftovers something to look forward to.

For freezing, this creamy white chicken, mushroom, and spinach lasagna is an excellent candidate. Wrap the entire cooled baking dish tightly in a layer of plastic wrap followed by a layer of heavy-duty foil. Alternatively, portion it out and freeze the slices individually on a parchment-lined baking sheet before transferring them to a freezer bag. This allows you to grab a single serving whenever you need it. Properly stored, it will maintain best quality for up to 3 months.

Reheating instructions vary depending on the state of the lasagna. For refrigerated portions, reheat in a 350°F oven, covered with foil, for 20-30 minutes or until hot all the way through. For a single slice, the microwave works in a pinch, but the texture of the pasta may become slightly rubbery. For frozen lasagna, thaw it overnight in the refrigerator before reheating as above. You can also reheat from frozen by covering it with foil and baking at 375°F for 60-90 minutes.

Make Ahead Strategies

This lasagna is a make-ahead dream, perfect for reducing stress on the day you plan to serve it. You can prepare the entire dish up to 24 hours in advance. Simply assemble it in the baking dish, cover it tightly with plastic wrap, and refrigerate. When you are ready to bake, remove the plastic wrap, cover with foil, and place it directly in a preheated oven. You may need to add 10-15 minutes to the baking time since it will be starting from a cold state.

For component prep, you can break down the work over two days. Day one can be dedicated to cooking the chicken, sautéing the mushrooms and spinach, and preparing the béchamel sauce. Store each component separately in airtight containers in the refrigerator. The next day, all you need to do is assemble the layers and bake. This strategy makes the process feel much more manageable and is ideal for busy schedules.

The quality impact of making this creamy white chicken, mushroom, and spinach lasagna ahead is minimal, and many argue it is beneficial. Allowing the assembled but unbaked lasagna to rest in the refrigerator gives the noodles time to start absorbing the sauce, which can lead to a more cohesive final product. The flavors also have time to mingle and deepen. Just be sure to add the final layer of cheese right before baking, not before refrigerating, for the best browning and texture.

Scaling Instructions

Halving this recipe is simple if you are cooking for a smaller household. Simply divide all the ingredient quantities by two. Use an 8×8 inch or a 9×9 inch square baking dish for the perfect depth. The baking time may be slightly reduced, so start checking for doneness around the 35-minute mark. The rest of the techniques and assembly instructions remain exactly the same. This is a great way to enjoy this delicious meal without having a week’s worth of leftovers.

Doubling or tripling the recipe is perfect for potlucks, large family gatherings, or meal prepping for multiple families. Double or triple all ingredients accordingly. You will need multiple 9×13 inch baking dishes. The stovetop preparation will likely need to be done in batches to avoid overcrowding the pans, especially when sautéing the mushrooms. The baking time may increase slightly due to the larger mass, so rely on the visual cues of a bubbly interior and a golden-brown top to determine doneness.

When scaling up, consider your equipment. Ensure your largest skillet is available for the fillings and that you have a sufficiently large pot for making a double or triple batch of béchamel. A Dutch oven can be useful for a very large sauce quantity. Timing modifications are minimal for the prep work, but assembly will naturally take longer. Plan accordingly to have all your components ready at roughly the same time for efficient layering.

Nutritional Deep Dive

This creamy white chicken, mushroom, and spinach lasagna provides a balanced macronutrient profile. A single serving is a good source of high-quality protein from the chicken and cheese, which is essential for muscle repair and satiety. The carbohydrates from the pasta provide the body with its primary energy source. The fats, primarily from the butter, milk, and cheese, contribute to the feeling of fullness and carry fat-soluble vitamins. It is a hearty, energy-dense meal ideal for active individuals or family dinners.

The micronutrient analysis reveals several key benefits. Spinach is packed with iron, vitamin K for bone health, and vitamin A for vision and immunity. Mushrooms provide B vitamins, which are crucial for energy metabolism, and selenium, a powerful antioxidant. The dairy components are excellent sources of calcium and phosphorus. Using whole milk and real cheese ensures you are getting these nutrients in their natural, bioavailable forms, unlike in highly processed alternatives.

For dietary considerations, this dish is naturally high in sodium due to the cheese and added salt, so those monitoring sodium intake should be mindful of portion size. It contains dairy and gluten as written. For weight management, paying attention to portion control is key, as this is a calorie-rich meal. Pairing a reasonable slice with a large side salad can create a very satisfying and balanced plate that supports your health goals without feeling deprived.

Dietary Adaptations

A gluten-free adaptation is very achievable. Substitute the all-purpose flour in the béchamel with a 1:1 gluten-free flour blend. Be sure to use certified gluten-free no-boil lasagna noodles, which are readily available in most grocery stores. Check that all other ingredients, such as chicken broth if used, are certified gluten-free. The technique remains identical, and the final result will be just as creamy and delicious as the original.

For a dairy-free version, you will need to make several swaps. Use vegan butter or olive oil for the roux. For the milk in the béchamel, opt for an unsweetened, unflavored plant-based milk like oat milk or cashew milk, which provide the best creaminess. The mozzarella and Parmesan cheeses must be replaced with high-quality vegan shreds and a vegan Parmesan alternative. The flavor profile will be different but can still be incredibly satisfying for those avoiding dairy.

A keto or low-carb adaptation requires the most significant changes. Replace the lasagna noodles with thin slices of zucchini or eggplant. You will need to salt the slices and press them to remove excess water. The flour in the béchamel can be replaced with a small amount of xanthan gum or almond flour as a thickener, though the texture will vary. Ensure that the milk used is unsweetened almond or coconut milk to keep the carbohydrate count low. The chicken, mushrooms, spinach, and cheeses are all naturally keto-friendly.

Troubleshooting Guide

If your lasagna is too watery, the most common cause is excess moisture from the vegetables. Next time, be sure to cook the mushrooms until all their released liquid has evaporated and squeeze the spinach until it is completely dry. If you are faced with a soupy lasagna, let it rest for a full 30 minutes after baking; this allows the starches in the pasta and sauce to set and absorb more liquid. You can also carefully tip the baking dish to pour off any free-standing liquid.

For flavor balance issues, if the lasagna tastes bland, it is almost always an issue of undersalting. Remember to season each component layer as you cook it. If the finished dish is bland, you can serve it with a side of flavored salt or a sprinkle of flaky sea salt at the table. If it is too rich, a squeeze of fresh lemon juice over your individual portion can brighten it up and cut through the heaviness effectively.

If the top is browning too quickly but the center is still cold, you have an oven temperature issue. Your oven may run hot, or the rack may be positioned too high. Immediately tent the lasagna loosely with aluminum foil to shield the top from direct heat. This will allow the center to continue cooking without burning the cheese. In the future, bake on a center rack and consider using an oven thermometer to verify the accuracy of your oven’s temperature setting.

Recipe Success Stories

Community feedback on this creamy white chicken, mushroom, and spinach lasagna has been overwhelmingly positive. Many home cooks report that it has become their new “special occasion” dish, often requested by family for birthdays and holidays. One reader shared that she made it for a new mom in her neighborhood, and it was so beloved that she was asked for the recipe by three other families on the same street. The combination of familiar comfort food with a gourmet twist seems to resonate deeply with people.

Variation successes are abundant. A common adaptation is adding a layer of sun-dried tomatoes for a burst of tangy sweetness, which readers say creates a wonderful contrast. Others have successfully incorporated artichoke hearts or substituted the chicken with turkey after the holidays. One creative cook even used a mixture of wild mushrooms from their local farmer’s market, reporting an incredible depth of flavor that made the dish feel truly restaurant-quality.

Reader suggestions have also helped refine the recipe. A frequent tip is to add a clove of minced garlic to the spinach while it wilts for an extra layer of aroma. Another popular suggestion is to mix a little bit of fontina cheese in with the mozzarella for a more complex, nutty cheese flavor. These community-driven ideas showcase the versatility of the recipe and how it can be a canvas for personal culinary expression.

Frequently Asked Questions

Can I use frozen spinach instead of fresh?

Yes, you can use frozen spinach. You will need one 10-ounce package. Thaw it completely and then squeeze it in a clean kitchen towel or with your hands to remove every bit of excess water. This step is crucial to prevent a watery lasagna.

Do I have to use no-boil noodles?

No, you can use regular lasagna noodles. Cook them according to package directions until they are al dente, then lay them flat on a baking sheet or towel to prevent sticking before assembly. The baking time may be slightly less since the noodles are already cooked.

Can I make this lasagna ahead of time?

Absolutely. You can assemble the entire lasagna, cover it tightly, and refrigerate it for up to 24 hours before baking. You may need to add 10-15 minutes to the baking time since it will be going into the oven cold.

Why did my béchamel sauce turn out lumpy?

Lumps usually form if the milk is added too quickly. Always add the milk slowly in a steady stream while whisking constantly. If you end up with lumps, you can often save the sauce by straining it through a fine-mesh sieve.

What can I use instead of chicken?

Turkey is a great direct substitute. For a vegetarian version, you can use lentils, extra mushrooms, or a plant-based chicken alternative. Italian sausage would also work well for a different flavor profile.

How do I know when the lasagna is done baking?

The lasagna is done when the sauce is bubbling vigorously around the edges, the cheese on top is golden brown, and a knife inserted into the center goes through the noodles with little resistance. The internal temperature should be at least 165°F.

Can I freeze the leftovers?

Yes, this lasagna freezes beautifully. Cool it completely, then wrap individual portions or the whole dish tightly in plastic wrap and foil. It will keep for up to 3 months. Thaw in the refrigerator before reheating.

What is the purpose of the nutmeg in the sauce?

Nutmeg is a classic spice paired with creamy béchamel and spinach. It adds a subtle warmth and complexity that enhances the other flavors without being overtly spicy. It is a small but impactful ingredient.

My top cheese layer burned. What happened?

Your oven rack was likely too high, placing the dish too close to the heating element. Ovens can also run hot. Next time, bake on a center rack and tent the lasagna with foil for the first half of the baking time to protect the cheese.

How long should I let it rest before cutting?

Let the lasagna rest for at least 15-20 minutes after removing it from the oven. This allows the layers to set, making it much easier to cut clean slices. If you cut it too soon, it will be soupy and fall apart.

Additional Resources

If you loved this creamy white chicken, mushroom, and spinach lasagna, you might enjoy exploring other pasta bake recipes on our site. A classic Lasagna Bolognese offers a traditional tomato-based experience. For a lighter take, our Summer Vegetable Lasagna with Zucchini and Pesto is a crowd-pleaser. If you are a fan of the creamy white sauce, our Shrimp and Scallop Lasagna is a luxurious seafood variation that follows a similar method but with oceanic flavors.

For technique guides that will help you master this and other recipes, we have detailed posts on “How to Make a Perfect, Lump-Free Béchamel Sauce” and “The Ultimate Guide to Sautéing Mushrooms.” Understanding these fundamental skills will build your confidence in the kitchen and improve all of your cooking, not just this single dish. We also have a guide on “Choosing the Best Cheese for Melting” which is invaluable for any casserole or gratin.

Regarding equipment, a heavy-bottomed saucepan is non-negotiable for making béchamel as it distributes heat evenly and prevents scorching. A good quality 9×13 inch ceramic or glass baking dish is ideal for even baking and beautiful presentation. A microplane grater is perfect for zesting citrus or creating
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Creamy White Chicken, Mushroom & Spinach Lasagna


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  • Author: Chef Billy

Description

A rich and comforting lasagna featuring tender chicken, earthy mushrooms, and fresh spinach in a creamy white sauce, layered with lasagna noodles and melted cheese.


Ingredients

Scale

For the Crust:

  • 12 lasagna noodles, cooked al dente
  • 2 cups cooked chicken, shredded
  • 8 oz mushrooms, sliced
  • 4 cups fresh spinach
  • 3 tbsp butter
  • 3 tbsp all-purpose flour
  • 2 cups whole milk
  • 1 cup heavy cream
  • 1 cup grated Parmesan cheese
  • 2 cups shredded mozzarella cheese
  • 1 small onion, diced
  • 3 cloves garlic, minced
  • 1 tsp dried thyme
  • Salt and pepper to taste

Instructions

1. Prepare the Crust:

  1. Preheat oven to 375°F (190°C). Grease a 9×13 inch baking dish.
  2. In a large skillet, melt butter over medium heat. Add onion and mushrooms, sauté until softened, about 5-7 minutes. Add garlic and cook for 1 minute more.
  3. Stir in flour and cook for 1 minute. Gradually whisk in milk and cream until smooth. Bring to a simmer, stirring constantly, until sauce thickens.
  4. Remove from heat, stir in Parmesan cheese, thyme, salt, and pepper. Add chicken and spinach, stirring until spinach wilts.
  5. Spread a thin layer of sauce on the bottom of the baking dish. Arrange 4 lasagna noodles over the sauce. Top with 1/3 of the chicken mixture and 1/3 of the mozzarella. Repeat layers twice, ending with mozzarella.
  6. Cover with foil and bake for 25 minutes. Remove foil and bake for another 10 minutes, or until cheese is golden and bubbly. Let stand 10 minutes before serving.

Notes

You can customize the seasonings to taste.

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