1 (28 oz.) jar spaghetti sauce
1 (25 oz.) pkg. frozen cheese ravioli, cooked and drained
2 c. small curd cottage cheese
4 c. shredded Mozzarella cheese
1/4 c. grated Parmesan cheese

Spread 1/2 cup of spaghetti sauce in ungreased 13 x 9 x 2-inch baking pan. Layer 1/2 the ravioli, 1 1/4 cups of sauce, 1 cup cottage cheese and 2 cups Mozzarella cheese. Repeat layers. Sprinkle with Parmesan cheese.

Bake, uncovered, at 350°F for 30 to 40 minutes. Let stand 5 to 10 minutes before serving.