Name: White Chicken Spinach Lasagna Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: Italian-American
Ingredients: 2 Tablespoons salted butter; 2 tablespoons olive oil; 1 medium onion, chopped; 2 cloves garlic, minced; 16 ounces crimini mushrooms, sliced; 6 Tablespoons all-purpose flour; 2 cups chicken broth; 1 ½ cups milk; 1 teaspoon dried basil; 1 teaspoon dried oregano; 1 teaspoon salt; ½ teaspoon black pepper; ½ teaspoon crushed red pepper flakes; ½ teaspoon fennel seed; 8 ounces baby spinach; ½ cup grated Parmesan cheese (reserved for sauce); 12 whole lasagna noodles, cooked according to package directions; 3-4 cups cooked chicken (about 2 pounds shredded or cubed, rotisserie chicken preferred); 4 cups mozzarella cheese, shredded; 15 ounces ricotta cheese (about 2 cups); 1 cup grated Parmesan cheese (remaining for topping and layering); Chopped parsley for sprinkling on top (optional)

Jump to Recipe· 4.1 from 8 reviews

I absolutely adore sharing this White Chicken Spinach Lasagna Recipe because it’s one of those comforting dishes that feels like a warm hug on a plate. The creamy sauce loaded with tender chicken, fresh spinach, and a blend of cheeses makes this lasagna irresistibly rich without being heavy. Every time I make it, the combination of flavors and textures never fails to impress both family and friends, making it a true crowd-pleaser that I’m excited to share with you.

Why You’ll Love This White Chicken Spinach Lasagna Recipe

When it comes to flavor, I think this White Chicken Spinach Lasagna Recipe strikes the perfect balance between hearty and fresh. The earthy mushrooms and garlicky spinach paired with the creamy, subtly spiced sauce create layers of deliciousness in every bite. Plus, the blend of mozzarella, ricotta, and Parmesan cheeses gives it that gooey, melty texture that always wins me over. Personally, I find this dish satisfies all my comfort food cravings while still feeling a little lighter than a traditional red sauce lasagna.

What makes this recipe even better is how approachable it is in the kitchen. I love that I can make the whole thing in about an hour, including prep and baking, and I don’t have to fuss with complicated steps or hard-to-find ingredients. It’s perfect for weeknight dinners when I want something special but don’t have all day to cook. Plus, it shines at family gatherings or casual parties where feeding a crowd is essential. Honestly, once I tried this version, it quickly became my go-to for occasions when I want to impress without stress.

Ingredients You’ll Need

The image shows an arrangement of cooking ingredients on a white marbled surface. There are three long, yellow lasagna noodles placed side by side near the center. Above them, there is a white bowl filled with chopped light brown chicken, and next to it, a white bowl full of grated white cheese. Below the noodles, a white bowl full of fresh green spinach leaves is placed beside another white bowl containing brown mushrooms. There is also a small white bowl with a light yellow grated ingredient, a small glass bowl with a white powder, and a glass measuring cup with a creamy white liquid. A whole yellow onion sits near the bottom left, next to a cup of light yellow broth in a measuring jug. Above the chicken, six small clear glass bowls hold various dry spices and olive oil, and there are four whole garlic cloves and a small cube of butter nearby. The setup is clean and organized, lit with soft natural light. photo taken with an iphone --ar 4:5 --v 7

The magic of this White Chicken Spinach Lasagna Recipe lies in its simple, fresh ingredients that bring out maximum flavor and texture. Each component has a purpose, whether it’s the creamy ricotta balancing the savory chicken or the fragrant herbs adding a pop of aroma. Here’s what I use to get that perfect harmony:

Salted butter: Adds richness and helps create a luscious sauce base.
Olive oil: Enhances the flavor and ensures even cooking of the vegetables.
Medium onion (chopped): Provides a sweet, slightly caramelized depth to the sauce.
Garlic cloves (minced): Builds a bold, aromatic foundation that wakes up the dish.
Crimini mushrooms (sliced): Imparts an earthy note that complements the chicken beautifully.
All-purpose flour: Thickens the sauce, giving it that creamy texture that clings perfectly to the noodles.
Chicken broth: Forms the savory liquid base that ties the flavors together.
Milk: Adds smoothness and balances the richness of the cheeses.
Dried basil, oregano, salt, black pepper, red pepper flakes, fennel seed: A fragrant blend of spices that gives the sauce a nuanced, Italian-inspired flavor.
Baby spinach: Brings freshness and a pop of vibrant green color.
Lasagna noodles (cooked): The essential layering component, soft and tender yet sturdy enough to hold the layers.
Cooked chicken (shredded or cubed): The hearty, protein-packed centerpiece of the dish.
Mozzarella cheese (shredded): Provides melty, stretchy, gooey goodness.
Ricotta cheese: Adds creaminess and a subtle tang that brightens the lasagna.
Grated Parmesan cheese: Offers a sharp, nutty finish to every cheesy layer.
Chopped parsley (optional): A fresh garnish that livens up the presentation and flavor.

Directions

Step 1: Begin by soaking the lasagna noodles in very hot water placed in a 9×13-inch baking dish while you prepare the sauce, or simply boil them according to package directions until al dente. This hydrates the noodles for flexible layering and a tender bite.

Step 2: Heat the butter and olive oil in a large saucepan over medium heat until melted and shimmering. Add the chopped onion and minced garlic, then sauté for about 3-4 minutes until the onion softens and becomes translucent, releasing a lovely aroma.

Step 3: Toss in the sliced crimini mushrooms and cook for another 6-8 minutes, stirring now and then so they soften and release their flavorful juices without drying out.

Step 4: Sprinkle in the flour evenly over the onion and mushrooms. Stir continuously for 1-2 minutes; this cooks out the raw flour taste and helps the sauce thicken beautifully later on.

Step 5: Gradually whisk in the chicken broth and milk, blending everything smoothly. Cook the sauce, stirring frequently, until it begins to simmer and thicken around 4-5 minutes. Then add the dried basil, oregano, salt, black pepper, crushed red pepper flakes, and fennel seed, mixing to evenly distribute the spices.

Step 6: Add the baby spinach in handfuls into the sauce, stirring until it wilts down and integrates into the creamy mixture. Stir in half a cup of grated Parmesan cheese to enrich the sauce, then remove from heat and set aside.

Step 7: Drain the soaked (or boiled) lasagna noodles carefully and set them aside on a clean surface so they don’t stick together.

Step 8: To assemble, spread a few spoonfuls of the prepared sauce over the bottom of a large 9×13-inch baking dish to prevent sticking. Layer four lasagna noodles evenly over the sauce.

Step 9: Spread half of the ricotta cheese evenly over the noodles, followed by half of the cooked chicken shredded or cubed, arranging it to cover the ricotta.

Step 10: Spoon about one-third of the mushroom and spinach sauce over the chicken, then sprinkle one-third of both the shredded mozzarella and grated Parmesan cheeses on top to start building those cheesy layers.

Step 11: Repeat this layering process by adding four more noodles, the remaining ricotta cheese, the rest of the chicken, another one-third of the sauce, and one-third of the mozzarella and Parmesan cheeses.

Step 12: Finish with the last four noodles on top, followed by the remaining sauce spread evenly. Generously sprinkle with the last of the mozzarella and Parmesan cheese for a golden, cheesy crust after baking.

Step 13: Bake in a preheated oven at 350°F (175°C) for 35 to 40 minutes until the lasagna is piping hot and bubbly. For a beautiful golden finish, place under the broiler for a couple of minutes but watch it carefully so the cheese doesn’t burn.

Step 14: Let the white chicken spinach lasagna rest for at least 10 minutes before slicing; this helps the layers set and makes serving easier. If you like, sprinkle some freshly chopped parsley on top for a fresh, colorful touch.

Servings and Timing

This White Chicken Spinach Lasagna Recipe makes about 12 generous servings, perfect for sharing with family or guests. You’ll spend roughly 15-20 minutes prepping, 40 minutes baking, and then about 10 minutes resting, so the total time from start to table is around 1 hour and 10 minutes. The resting time is important to ensure clean slices and let all those wonderful flavors meld together perfectly.

How to Serve This White Chicken Spinach Lasagna Recipe

A white rectangular baking dish filled with a baked dish showing one clear layer of melted golden cheese on top, mixed with small dark green spinach leaves and slices of brown mushrooms peeking through; the cheese has a bubbly texture with some browned spots, and around the edges, some browned cheese and sauce have caramelized against the dish’s sides. The dish sits on a white marbled surface with a blue-striped cloth to the upper left and a few silver forks and white plates nearby for serving. Photo taken with an iphone --ar 4:5 --v 7

When I serve this white chicken spinach lasagna, I like to keep the sides light and fresh to balance out the richness. A crisp green salad with a zesty vinaigrette or some roasted seasonal vegetables pairs beautifully and adds a refreshing crunch. Sometimes, I’ll offer garlic bread or warm focaccia on the side for anyone wanting a bit of extra indulgence in carbs.

For presentation, I find garnishing with chopped fresh parsley or even a sprinkle of extra Parmesan adds a vibrant green pop that brightens the dish’s creamy color. Serving warm is key – I recommend slicing portions about the size of a deck of cards for a great balance of sauce, noodles, and chicken in every bite. It’s perfect for a cozy family dinner or even a potluck where it can be scooped easily onto plates.

To complement the meal, I enjoy pairing this lasagna with a chilled glass of white wine like a crisp Pinot Grigio or a light Chardonnay, which cuts through the creaminess beautifully. For non-alcoholic options, sparkling water with lemon or a cold iced tea infused with herbs keeps the palate refreshed. This dish also shines on special occasions like holidays, casual dinner parties, or anytime you want a heartwarming, crowd-pleasing meal.

Variations

I love playing around with this White Chicken Spinach Lasagna Recipe to suit different tastes and dietary needs. For instance, if you’re looking to lighten it up, swapping half-and-half for whole milk or using part-skim ricotta reduces fat without sacrificing creaminess. You can also replace the crimini mushrooms with sliced zucchini or roasted bell peppers to add different veggie textures and flavors.

If you’re catering to gluten-free needs, I highly recommend using gluten-free lasagna noodles—just be sure to cook them carefully or look for no-boil varieties that work well in layered casseroles. For a vegan twist, try substituting the chicken with seasoned tofu or tempeh, use plant-based milk alternatives, and swap mozzarella and ricotta for vegan cheese options. The sauce thickening technique with flour works well with gluten-free flours like rice or chickpea flour too.

For a more intense flavor, I sometimes add fresh herbs like thyme or rosemary to the sauce or sprinkle red pepper flakes heavier if I want a bit more heat. You can also experiment by cooking the assembled lasagna in individual ramekins for personal servings or in slow cookers for a set-it-and-forget-it approach, allowing the flavors to develop slowly over several hours.

Storage and Reheating

Storing Leftovers

After enjoying the first round, I store any leftovers in airtight containers to maintain freshness and prevent drying out. This lasagna keeps wonderfully in the fridge for up to 4 days. When I pack it away, I like to place a layer of plastic wrap directly on the surface before sealing to help keep moisture locked in. It’s a great make-ahead meal or a perfect lunch option the next day.

Freezing

This White Chicken Spinach Lasagna Recipe freezes beautifully, which is something I always appreciate for busy weeks. To freeze, I cover the entire unbaked or fully cooked lasagna tightly with plastic wrap and then a layer of aluminum foil to avoid freezer burn. It will keep well for up to 3 months. When you’re ready, thaw it overnight in the fridge and reheat thoroughly before serving.

Reheating

The best way I find to reheat leftover lasagna is in the oven at 350°F, loosely covered with foil to prevent over-browning while ensuring it stays moist and bubbly. Usually, 20-25 minutes is enough to warm it through. You can finish uncovered for the last few minutes to regain that lovely, melty golden top. Microwave reheating works in a pinch but can sometimes dry out the edges, so I recommend adding a splash of water and covering it to retain moisture if you go that route.

FAQs

Can I use fresh spinach instead of baby spinach for this recipe?

Absolutely! Fresh spinach works just as well. Just make sure to wash and roughly chop the leaves if they’re large, then add them in handfuls to the sauce so they wilt evenly. It might take a minute or two longer to soften compared to baby spinach, but the flavor will be just as vibrant.

Is it okay to use leftover cooked chicken or do I need freshly cooked chicken?

Leftover cooked chicken is perfect for this recipe, which is why I often use rotisserie chicken for convenience and flavor. Just shred or cube it, and be sure it’s heated through in the sauce. This makes the recipe handy for using up dinner leftovers while boosting your meal with minimal extra effort.

Can I prepare this lasagna ahead of time before baking?

Yes, you can assemble the whole lasagna up to a day before baking. Keep it covered in the refrigerator until you’re ready to cook. This makes it an excellent make-ahead dish for busy nights or entertaining, saving you valuable time when guests arrive.

What can I substitute for the all-purpose flour in the sauce if I’m gluten-free?

If you need a gluten-free alternative, I suggest using rice flour or a gluten-free all-purpose flour blend to thicken the sauce. Another option is cornstarch mixed with cold water, added gradually while whisking to prevent lumps. Both work well to create a creamy sauce without gluten.

How do I prevent the lasagna noodles from sticking together?

To avoid sticking, I soak the noodles in very hot water as an alternative to boiling or cook them according to package directions followed by an ice bath rinse. Once drained, I lay them flat on a lightly oiled baking sheet or layer separated by parchment paper. This keeps the noodles flexible but prevents clumping during assembly.

Conclusion

I hope you feel as excited as I do to try this White Chicken Spinach Lasagna Recipe because it truly has become one of my favorite go-to meals for both everyday dinners and special occasions. It’s creamy, comforting, and packed with fresh flavors that always make everyone at my table ask for seconds. Give it a try, and I’m confident you’ll love how this dish brings warmth and smiles to your family and friends just like it does in my home.