Layers of tender chicken, béchamel sauce, mozzarella, and rosemary create a comforting Italian main dish.
# What you'll need:
→ Chicken and Seasonings
01 - 2 cups cooked chicken breast, shredded
02 - 2 tablespoons fresh rosemary, finely chopped
03 - 2 cloves garlic, minced
04 - 1 tablespoon olive oil
05 - 1 teaspoon salt
06 - 1/2 teaspoon black pepper
→ Sauce
07 - 3 cups whole milk
08 - 3 tablespoons unsalted butter
09 - 3 tablespoons all-purpose flour
10 - 1/4 teaspoon nutmeg
11 - 1/2 cup grated Parmesan cheese
→ Pasta and Assembly
12 - 12 no-boil lasagna noodles
13 - 2 cups shredded mozzarella cheese
14 - 1/2 cup grated Parmesan cheese for topping
→ Optional
15 - 1 cup baby spinach, roughly chopped
# Method:
01 - Set oven temperature to 375°F.
02 - Heat olive oil in a skillet over medium heat; add garlic and rosemary and sauté for 1 minute until fragrant. Stir in shredded chicken, salt, and pepper, mix well, then remove from heat.
03 - Melt butter in a saucepan over medium heat. Whisk in flour and cook for 1 minute. Gradually add milk, whisking continuously until sauce thickens, about 5 to 7 minutes. Season with nutmeg, fold in Parmesan, then remove from heat.
04 - If desired, fold chopped spinach into the chicken mixture.
05 - Spread a thin layer of béchamel in a 9x13-inch baking dish. Arrange 3 lasagna noodles over the sauce. Layer one-third of the chicken mixture, one-quarter of béchamel, and one-quarter of mozzarella. Repeat layers twice more. Top with remaining noodles, béchamel, mozzarella, and Parmesan.
06 - Cover dish with foil and bake for 30 minutes.
07 - Remove foil and bake an additional 10 to 15 minutes until golden and bubbling.
08 - Allow to rest for 10 minutes before slicing and serving.
