Ravioli Casserole

Ravioli Casserole 1 (28 oz) jar of spaghetti sauce. 1 (25 oz) package of cooked and drained frozen cheese ravioli. 2 cups of small curd cottage cheese. 4 cups of shredded mozzarella cheese. 1/2 cup of grated parmesan cheese. In an un-greased 13×9 baking dish, spread ½ cup of the sauce and top with half the ravioli, 1 ½ cups of sauce, 1 cup of cottage cheese, and 2 cups of mozzarella cheese in this order and then repeat the layers. Top with parmesan cheese and bake in a preheated oven to 350° for 30 to 40 minutes. Let stand before cutting and serving