Cheeseburger Pie
["1 1/2 lb. ground beef", "1/2 c. catsup", "1/4 c. mustard", "1 pkg. sliced cheese", "1 onion", "1 can biscuits"]
["Brown ground beef with chopped onion; drain.", "Add catsup and mustard; simmer for 5 minutes.", "In 2-quart casserole, layer beef mixture and slices of cheese.", "Top last layer of cheese with biscuits.", "Follow baking directions on can.", "Serve with salad or fries."]
["ground beef", "catsup", "mustard", "sliced cheese", "onion", "biscuits"]