Cavatini
["1 1/2 lb. ground beef", "1 large pkg. spiral noodles (rotini)", "1/4 c. diced onions", "1 large jar Ragu spaghetti sauce", "8 oz. Mozzarella cheese"]
["Brown ground beef with onions and salt and pepper.", "Cook noodles until tender.", "In large baking dish, combine ground beef and noodles.", "Pour spaghetti sauce over mixture; stir well.", "Bake at 350\u00b0 for 30 minutes.", "During the last 10 minutes, sprinkle Mozzarella cheese over casserole and finish baking."]
["ground beef", "spiral noodles", "onions", "spaghetti sauce", "Mozzarella cheese"]