Heath Bar Cake
["1 box devil's food cake mix", "1 jar caramel topping", "1 can sweetened condensed milk", "1 large tub Cool Whip", "3 Heath bars"]
["Bake cake as directed on box.", "When cake is done, poke several holes in top of cake.", "Pour condensed milk over cake.", "Pour caramel topping over milk.", "Let cake cool completely.", "Top with Cool Whip. Break candy bars into small pieces and scatter on top of Cool Whip. Refrigerate."]
["cake mix", "caramel topping", "condensed milk"]