Creamy Chicken Lasagna With White Sauce Recipe: Layered Bistro-Style Comfort

This lasagna redefines comfort food with its velvety white sauce and tender chicken layers. The secret lies in the balance between creamy béchamel and rich, savory fillings.

Each bite delivers perfectly cooked pasta, juicy chicken, and a luscious sauce that bakes into a golden top. It’s bistro-style indulgence made simple for your home kitchen.

Ingredients for Creamy Chicken Lasagna with White Sauce

Bistro-style comfort in every layer with creamy béchamel and juicy chicken.

The béchamel is non-negotiable here. Whole milk gives that velvety texture—skip the low-fat. Parmesan from a wedge (none of that pre-grated stuff) melts beautifully into the sauce. For the chicken, Costco has great pre-sliced breasts if you’re short on time. The lasagna noodles? Oven-ready saves a step, but pre-cooked works too (just don’t overboil).

No whole milk? Half-and-half plus a splash of cream works, but it’s richer. Out of Parmesan? Pecorino Romano adds a nice sharpness at a one-to-one swap. The thyme can be fresh at twice the amount. If you’re missing nutmeg, a pinch of white pepper adds warmth without the spice. The mozzarella? Pre-shredded melts fine (I won’t judge).

Assemble and bake immediately, or refrigerate overnight—actually improves flavor. Leftovers keep 4-5 days in the fridge, freezes for 3 months. Reheat covered to keep the top from drying out (that golden crust is too good to waste).

Step-by-Step Instructions for Creamy Chicken Lasagna With White Sauce

This bistro-style method ensures layers of creamy, cheesy perfection in every bite.

Step 1: Prepare the Chicken Filling

Heat the 1 tbsp olive oil in a large skillet over medium-high heat. Add the 1.5 lb boneless, skinless chicken breasts, seasoned with ½ tsp salt and ½ tsp black pepper, and cook for 6-8 minutes until golden brown and cooked through.

Remove the chicken from the skillet and shred it using two forks. In the same skillet, add the 1 whole yellow onion (finely diced) and cook for 3-4 minutes until translucent. Stir in the 1 cup chicken broth and 1 tsp dried thyme, scraping up any browned bits from the bottom.

Step 2: Make the White Sauce Base

In a separate saucepan, melt the 0.5 cup unsalted butter over medium heat. Add the 0.5 cup all-purpose flour and whisk constantly for 1-2 minutes to form a smooth roux. This creates the thick, velvety foundation for your white sauce.

Gradually pour in the 4 cups whole milk, whisking continuously to prevent lumps. Bring the mixture to a gentle simmer and cook for 3-4 minutes until it thickens enough to coat the back of a spoon. Stir in the 4 cloves garlic cloves (minced), 1.5 cups parmesan cheese, 0.25 tsp ground nutmeg, and remaining 1 tsp salt.

Step 3: Combine Chicken and Sauce

Fold the shredded chicken into the white sauce until fully coated. The sauce should cling to the chicken, creating a rich, creamy filling. If the mixture seems too thick, add a splash of the reserved chicken broth to loosen it slightly.

Taste and adjust seasoning if needed—the parmesan should provide a salty depth, while the nutmeg adds a subtle warmth that complements the creamy base perfectly.

Step 4: Layer and Bake the Lasagna

Preheat your oven to 375°F. Spread a thin layer of the chicken and white sauce mixture on the bottom of a 9×13-inch baking dish. Top with 4 sheets lasagna noodles, followed by another layer of the chicken mixture and ⅔ cup mozzarella cheese.

Repeat the layers two more times, finishing with the remaining ⅔ cup mozzarella cheese on top. Bake uncovered for 25-30 minutes until the lasagna is bubbly and the cheese is golden brown.

Step 5: Rest and Serve

Remove the lasagna from the oven and let it rest for 10-15 minutes before slicing. This allows the layers to set, making it easier to serve neat, restaurant-worthy portions.

The top should be beautifully browned with melted cheese stretching between each slice. Garnish with a sprinkle of extra parmesan and a pinch of dried thyme for a final touch of elegance.

Creative Variations of These Flavors

Spinach Artichoke Twist

Add 2 cups chopped spinach and 1 can artichoke hearts (drained and chopped) to the chicken mixture. This brings a fresh, Mediterranean flair that pairs beautifully with the creamy white sauce. The spinach wilts perfectly during baking. 💛

Sun-Dried Tomato Pesto

Spread ¼ cup sun-dried tomato pesto between layers for a tangy, umami-rich contrast. I recommend Buitoni brand for consistent quality. The pesto’s acidity cuts through the richness of the béchamel beautifully.

Mushroom and Leek

Sauté 2 cups sliced mushrooms and 1 diced leek with the chicken for an earthy depth. The mushrooms release their moisture during baking, creating a flavorful juiciness in every bite.

Buffalo Chicken Style

Toss the shredded chicken in ½ cup buffalo sauce before mixing with the white sauce. Top with ½ cup crumbled blue cheese instead of mozzarella for a spicy, bold variation. This one’s a crowd-pleaser at gatherings. 🔥

Pesto and Prosciutto

Layer thin slices of prosciutto between the noodles and add 2 tbsp basil pesto to the white sauce. The salty prosciutto and herbal pesto create a gourmet flavor profile that feels restaurant-worthy.

Roasted Red Pepper

Blend 1 cup roasted red peppers into the white sauce for a sweet, smoky element. I use jarred peppers from Mezzetta for convenience. The vibrant color makes the dish visually stunning as well.

Frequently Asked Questions