Hamburger Pie
["2 lb. ground beef", "3/4 to 1 pkg. frozen corn, thawed in hot water", "1 1/2 cans tomato soup", "12 servings instant potatoes, prepared", "butter and/or sharp Cheddar cheese", "diced onion"]
["Brown meat with onion.", "Add corn and tomato soup.", "Simmer. Place meat mixture in 9 x 13-inch casserole and put potatoes on top.", "Dot with butter or Cheddar if desired.", "Bake at 350\u00b0 for 45 minutes to an hour."]
["ground beef", "frozen corn", "tomato soup", "potatoes", "butter", "onion"]