1 devil's food cake mix
1 can sweetened condensed milk
1 (12 to 16 oz.) Cool Whip, thawed
2 to 3 Heath bars, crushed

Bake devil's food cake as directed on box. Remove from oven and allow to cool. Poke holes in cake with end of wooden spoon. Pour condensed milk over cake and top with Cool Whip. Sprinkle crushed Heath bars over this.