Easy Beef Casserole
["1 box macaroni and cheese dinner", "2 lb. hamburger", "1 qt. tomatoes or juice", "1 onion"]
["Cook macaroni.", "Fry hamburger and crumble up.", "Put tomatoes in macaroni.", "Put hamburger and onions in that.", "Pour in baking dish. Top with cheese at 325\u00b0 for 45 minutes."]
["macaroni", "hamburger", "tomatoes", "onion"]