Baked Ravioli with Spinach and Mozzarella

INGREDIENTS

10 oz

baby spinach

1 1/2 tbsp

olive oil

1/2

of one medium yellow onion, diced

3 cloves

garlic, minced

16 oz

crushed tomatoes

1/2 tsp

salt

1/2 tsp

ground black pepper

1/2 tsp

dried oregano

1/4 tsp

dried parsley

1/4 tsp

crushed red pepper, optional

1 10 ounce package

refrigerated ravioli

1 tbsp

grated Parmesan cheese

fresh basil leaves, sliced thin

4 oz

mozzarella cheese, shredded