Brown beef with onion, garlic and salt; drain. Stir in spaghetti sauce, simmer until heated. Remove 1 cup meat sauce & set aside. Stir noodles into remaining sauce. Place 1/2 noodle mixture into greased 2qt. casserole dish. Cover w/ cottage cheese and 1 cup mozzarella. Add remaining noodle mixture, top with reserved meat sauce and remaining mozzarella. Sprinkle w/ parmesan cheese. Bake covered at 350degrees for 20-25min. Let stand about 5 min before serving.