Ingredients
1 lb. ground beed
1/2 C. chopped onions
1 (14 oz) can of spaghetti sauce (although you'll need a bit more than that)
6 oz. spiral rotini, cooked and drained
1/2 tsp. salt
1 C cottage cheese
2 C mozzarella cheese
Grated Parmesan cheese

Directions
Brown beef with onion and salt. Stir in spaghetti sauce and simmer about 5 minutes. Remove 1 cup of meat sauce and set aside. Stir pasta into remaining meat sauce. Place noodle/meat mixture into greased 2-quart casserole dish. Cover with cottage cheese; then cover with 1 Cup of mozzarella cheese. Add remaining cup of reserved meat sauce and top with remaining cup of mozzarella cheese. Sprinkle Parmesan cheese on top. Cover and bake at 350 degrees for 30 minutes. Let stand 5 minutes before serving.