Cheeseburger Pie
["1 pie shell", "1/2 to 1 lb. ground beef", "1 onion, chopped", "salt and pepper", "American cheese to cover"]
["Cook pie shell as directed; set aside.", "In skillet, brown ground beef.", "Drain excess oil off.", "Add onion, salt and pepper to taste.", "Place in cooked pie shell.", "Cover with American cheese. Place in oven at 150\u00b0 until cheese has melted."]
["pie shell", "ground beef", "onion", "salt", "American cheese"]