Chocolate Toffee Trifle
["1 box devil's food cake mix", "3 eggs", "oil (as indicated on box)", "1 small box instant chocolate pudding", "1 1/3 c. milk", "1/2 c. kahlua", "6 1/4 oz. Heath bars, freeze these", "16 oz. Cool Whip"]
["Make devil's food cake following instructions on box.", "Let cake cool and then cut into 1-inch squares. Mix dry pudding mixture with the milk and kahlua.", "Crush frozen Heath bars and put aside."]
["cake mix", "eggs", "oil", "chocolate pudding", "milk", "kahlua", "freeze these"]