Macaroni Beef Casserole
["1 lb. ground beef", "2 eggs", "1/2 c. ketchup", "1/3 c. milk", "1/4 c. chopped onions", "8 oz. cooked macaroni", "2 tsp. prepared mustard", "1/4 c. mayonnaise", "1 c. grated cheese", "1/4 c. bread crumbs"]
["Mix beef, eggs, ketchup, milk and onions.", "Mix macaroni, mustard and mayonnaise.", "Spread in 2-quart baking dish.", "Spread beef mixture over top.", "Sprinkle with cheese.", "Top with mixture of crumbs and butter.", "Bake at 350\u00b0 for 20 minutes."]
["ground beef", "eggs", "ketchup", "milk", "onions", "macaroni", "mustard", "mayonnaise", "grated cheese", "bread crumbs"]