INGREDIENTS
1 Tbsp
olive oil
8 ozs
baby bella mushrooms
3 Tbsps
unsalted butter
3 Tbsps
flour
2 cups
milk
1 1/2 cups
chicken broth
1/2 tsp
kosher salt
3/4 tsp
black pepper
1 cup
parmesan cheese
16 ozs
frozen spinach
6 ozs
pesto
2 cups
part skim ricotta cheese
1 box
cooked lasagna sheets