Creamy White Chicken Lasagna with Spinach

This rich white chicken lasagna features layers of tender chicken, creamy bechamel spinach sauce, and a seasoned ricotta blend. It is a hearty main dish that holds its structure well, making it ideal for family gatherings or meal prep.

List of ingredients

• 9 lasagna noodles – cooked al dente to prevent mushiness.
• 4 cups shredded rotisserie chicken – or cooked from 2 lbs chicken breast for a leaner option.
• 1 Tbsp olive oil – used for sautéing the aromatics.
• 1 medium onion – finely chopped.
• 4 Tbsp unsalted butter – creates the base for the roux.
• 1/3 cup all-purpose flour – thickens the white sauce.
• 2 1/2 cups chicken broth – provides a savory liquid base.
• 1 1/2 cups half and half – can be replaced with equal parts heavy cream and milk.
• 5 oz fresh spinach – coarsely chopped for texture.
• 2 tsp sea salt – to season the sauce.
• 1/2 tsp black pepper – for a mild spice.
• 3 garlic cloves – minced.
• 15 oz ricotta – creates a creamy cheese layer.
• 1 large egg – binds the ricotta mixture.
• 1/4 cup parsley – adds a fresh herbal note.
• 1/4 cup parmesan cheese – adds a salty, sharp flavor.
• 3 cups mozzarella cheese – 12 oz by weight, divided with 1 cup reserved for the top.

step-by-step instructions

1. Cook Noodles and Prep: Preheat the oven to 375°F. Boil the pasta in salted water until al dente, then immediately drain and rinse with cold water to stop the cooking process and prevent the noodles from sticking. Shred 4 cups of chicken for the filling.
2. Prepare the Spinach Sauce: Heat 1 Tbsp olive oil in a large saucepan over medium heat and sauté the chopped onion for 3-4 minutes until soft. Add 4 Tbsp butter and whisk in 1/3 cup flour, continuing to whisk for 3 minutes until the mixture is golden.
3. Thicken the Sauce: Pour in 2 1/2 cups chicken broth and 1 1/2 cups half and half, then stir in 2 tsp salt and 1/2 tsp black pepper. Whisk continuously and simmer for 5 minutes until the sauce reaches a light gravy consistency.
4. Finish the Bechamel: Stir in the minced garlic and chopped spinach until well combined, then remove the pan from the heat.
5. Mix the Ricotta Blend: In a large mixing bowl, whisk together the ricotta, egg, 2 cups of mozzarella, 1/4 cup parmesan, and 1/4 cup parsley until smooth.
6. Assemble the First Layer: Spread a thin layer of the bechamel sauce on the bottom of a 9×13 casserole dish. Place 3 noodles on top, followed by half of the ricotta mixture, half of the shredded chicken, and one-third of the spinach sauce.
7. Assemble the Second Layer: Add another 3 noodles, the remaining half of the ricotta mixture, the rest of the shredded chicken, and another third of the spinach sauce.
8. Complete the Assembly: Lay the final 3 noodles on top and spread the remaining third of the spinach sauce over them. Sprinkle the reserved 1 cup of mozzarella cheese evenly across the top.
9. Bake and Brown: Place 10-12 toothpicks across the top of the dish to keep the foil from touching the cheese, then cover tightly with foil. Bake on the center rack at 375°F for 45 minutes.
10. Final Touch: Remove the foil and broil for 2-3 minutes until the cheese is browned and bubbly. Let the lasagna rest for 10 minutes before slicing to ensure clean pieces.

Cooking Techniques for Success

Rinse Pasta with Cold Water to Stop Cooking

Rinsing cooked lasagna noodles with cold water removes excess starch from the surface. This prevents the noodles from sticking together and stops them from overcooking while you prepare the sauces. It ensures the layers remain distinct rather than fusing into a single mass.

Sauté Onions Until Translucent for Sweetness

Cooking the onion in olive oil until softened removes the raw bite and releases natural sugars. This creates a deeper flavor profile for the bechamel sauce. Avoid browning the onions too much to keep the sauce a clean white color.

Whisk the Flour and Butter Until Golden

Cooking the roux (flour and butter mixture) for a few minutes removes the raw taste of the flour. The golden color indicates that the flour is toasted, which provides a nuttier flavor to the final sauce. Constant whisking prevents the flour from clumping or burning.

Simmer the Sauce for a Thick Consistency

Allowing the sauce to simmer for 5 minutes ensures that the flour fully hydrates and thickens the liquid. The result should be a velvety texture that doesn’t run when the lasagna is sliced. If the sauce is too thin, simmer it for an additional minute or two.

Use Toothpicks to Prevent Foil Sticking

Placing toothpicks between the cheese and the foil creates a small air gap. This prevents the mozzarella from sticking to the foil and pulling away when you uncover the dish. It keeps the presentation professional and intact.

Let the Lasagna Rest Before Slicing

A 10-minute resting period allows the sauces to set and the noodles to absorb remaining moisture. If you cut the lasagna immediately, the layers may slide apart. Resting ensures each square holds its shape on the plate.

Ingredient Substitutions

Replace Half and Half with Heavy Cream and Milk

If half and half is unavailable, mix equal parts of heavy cream and whole milk. This provides the same fat content and creamy consistency needed for the bechamel. For a lighter version, you can use whole milk, though the sauce will be slightly less rich.

Use Canned Chicken as a Pantry Alternative

Canned chicken can be used as a substitute for rotisserie or fresh chicken breast. Ensure the canned chicken is drained thoroughly to avoid adding excess water to the lasagna. Shred the meat with a fork to mimic the texture of rotisserie chicken.

Swap Fresh Spinach for Frozen Spinach

Frozen chopped spinach can be used if fresh leaves are not available. Thaw the spinach completely and squeeze out as much water as possible using a clean kitchen towel. This prevents the lasagna from becoming watery during the baking process.

Substitute Ricotta with Blended Cottage Cheese

For a different texture or nutritional profile, blend low-fat cottage cheese in a food processor until smooth. This serves as a practical replacement for ricotta cheese. The flavor is very similar once baked with the egg and parmesan.

Flavor Variations

Incorporate Sautéed Mushrooms for Earthiness

Add 8 oz of sliced cremini or button mushrooms to the pan after the onions are softened. Sauté them until they release their moisture and brown slightly before adding the butter and flour. This adds a savory, umami depth to the white sauce.

Add Roasted Red Peppers for Sweetness

Layer thinly sliced roasted red peppers between the chicken and the spinach sauce. The sweetness of the peppers balances the richness of the cheeses. Use jarred peppers, but pat them dry first to remove excess oil.

Include Artichoke Hearts for Tanginess

Chopped marinated artichoke hearts can be mixed into the ricotta blend or layered with the chicken. The acidity of the artichokes cuts through the creaminess of the bechamel. Drain the hearts well to maintain the internal structure of the lasagna.

Use Whole Wheat Pasta for More Fiber

Whole wheat lasagna noodles provide a heartier texture and more nutrients. Be aware that whole wheat noodles often require a slightly longer boiling time. Cook them carefully to al dente so they do not become too soft during the baking phase.

Storage and Preservation

Store Leftovers in Airtight Glass Containers

Place leftover slices in glass containers with tight-fitting lids to keep air out. This prevents the cheese from drying out and the noodles from absorbing all the sauce. The lasagna will remain fresh in the refrigerator for up to 4 days.

Freeze in Foil-Wrapped Portions

For long-term storage, wrap individual slices or half-pans tightly in multiple layers of plastic wrap and aluminum foil. This double-wrapping method prevents freezer burn. The lasagna can be stored in the freezer for up to 3 months.

Thaw Lasagna Slowly in the Refrigerator

Thaw frozen lasagna by placing it in the refrigerator 24 hours before you plan to eat it. Avoid thawing at room temperature to maintain food safety. Slow thawing preserves the texture of the cheese and the moisture of the chicken.

Reheating Guidelines

Sprinkle Water Before Reheating in the Microwave

Noodles naturally absorb moisture as they sit in the refrigerator. Sprinkle a teaspoon of water over the slice before microwaving to steam the pasta. This restores the moist texture and prevents the edges from becoming hard.

Use a Low Temperature for Oven Reheating

Reheat oven portions at 325°F covered with foil. This lower temperature warms the center of the lasagna without burning the top cheese layer. Remove the foil for the last 5 minutes to crisp the cheese.

Verify Internal Temperature with a Meat Thermometer

Use an instant-read thermometer to ensure the center of the lasagna reaches 165°F. This is the safe internal temperature for poultry and dairy. Heating the dish evenly ensures that no cold spots remain in the thick layers.

Troubleshooting Common Issues

Fix a Sauce That Is Too Thin

If the bechamel sauce appears too runny, continue simmering it on medium heat for a few extra minutes. You can also whisk in a small amount of additional cornstarch slurry (cornstarch mixed with water) to thicken it quickly. Ensure the sauce coats the back of a spoon before assembling.

Prevent Cheese from Browning Too Quickly

If the mozzarella browns too fast during the broiling phase, reduce the broil time or move the oven rack to a lower position. Keeping a close eye on the oven is essential as the cheese can go from golden to burnt in seconds.

Avoid Noodle Tearing During Assembly

Handle cooked noodles gently using tongs to avoid ripping them. If a noodle breaks, simply overlap the pieces to cover the surface of the pan. Overlapping ensures there are no gaps where the sauce can leak to the bottom.

Frequently Asked Questions

How long can this chicken lasagna stay in the fridge?

This lasagna stays fresh and safe to eat for up to 4 days when stored in an airtight container. Ensure the refrigerator is set to 40°F or below.

Can I make this recipe with a different cheese?

You can replace the mozzarella with provolone or a blend of Italian cheeses. Ensure the substitute has a similar melting point to maintain the creamy texture.

What is the best way to cut clean slices?

Allow the lasagna to rest for at least 10 minutes before cutting. Use a sharp serrated knife to cut through the noodles and cheese layers without compressing the filling.

Can I use pre-cooked chicken strips?

Yes, pre-cooked chicken strips can be used if they are chopped or shredded to fit the layers. Ensure they are not over-seasoned to avoid clashing with the bechamel sauce.

Do I need to boil the noodles first?

Yes, these instructions require pre-boiled noodles to ensure they are cooked through. If using no-boil noodles, you must increase the amount of liquid in the bechamel sauce to compensate.

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