1 pkg chocolate cake mix
8 oz. cool whip
1 can sweetened condensed milk
Heath bits or 6 Butterfingers, crushed
Bake cake as directed on package. Pull cake from oven and while cooling off, poke holes into cake using fork tines or stick end of wooden spoon. Pour condensed milk atop the cake and allow cake to cool, fully.
When ready to serve, spread container of cool whip over cake and sprinkle with crushed candy bar of your choice.