Beef Casserole
["1 lb. ground beef", "1 chopped onion", "1 can tomatoes", "1 c. cheese, grated", "1 c. macaroni", "salt and pepper to taste"]
["Brown beef and onion in small amount of fat.", "Mix with other ingredients and bake at 325\u00b0 for 45 minutes."]
["ground beef", "onion", "tomatoes", "cheese", "macaroni", "salt"]