1 pkg. German sweet chocolate cake mix
1 (7 to 8 oz.) sweetened condensed milk, not evaporated
1/2 jar (3/4 c.) caramel sauce
1 (8 to 9 oz.) pkg. Cool Whip, 12 oz. if you like it thick 8 Heath candy bars, crushed

Bake cake as directed on package. Cool slightly. Poke holes in cake with a fork. Mix sweetened condensed milk and caramel sauce and pour over cake. Let stand for 1 hour. Layer Cool Whip over cake. Sprinkle crushed bars over Cool Whip. Refrigerate before serving.