Beef Florentine Casserole - layers of homemade Italian meat sauce, spinach, ricotta, and mozzarella cheese. Comfort food at its best! Super easy to make and tastes great! Ground beef, garlic, onion, tomato sauce, tomato paste, basil, oregano, sugar, salt, pepper, spinach, ricotta, and mozzarella cheese. Can make in advance and refrigerate or freeze for later. This is sure to become a family favorite! #spinach #casserole #freezermeal #beef