Chicken, Mushroom, and Spinach Lasagna

INGREDIENTS

4 tbsp

butter, divided

8 oz

mushrooms, sliced

Salt and pepper,

8 oz

(1 medium bunch, grams) spinach

2 cloves

garlic, minced

2 cups

shredded cooked chicken

2 tbsp

all-purpose flour

2 cups

milk

1 15 ounce container

(425 grams) whole milk ricotta cheese

1 cup

shredded parmesan cheese, divided

1 tsp

coarse

1/2 tsp

salt

1/2 tsp

freshly grated nutmeg

8 oz

lasagna noodles (I used no-boil, oven-ready)

8 oz

mozzarella cheese, shredded

Chopped basil, for garnish