World'S Greatest Cornbread
["1 box Flako or Jiffy corn muffin mix (8 1/2 oz.)", "1 (8 oz.) can cream-style corn", "1 (8 oz.) can whole kernel corn (preferably Shoepeg corn)", "1 small carton sour cream (8 oz.)", "1 stick melted margarine"]
["Mix all ingredients.", "Bake at 350\u00b0 to 375\u00b0 for about 45 minutes.", "Use 13 x 19-inch pan."]
["Flako", "cream-style", "whole kernel corn", "sour cream", "margarine"]