1 pkg. chocolate cake mix
6 Heath bars, crushed in Cool Whip & mixed
2 pkgs. instant chocolate pudding
3 1/2 c. milk
12 oz. Cool Whip
1/2 c. Kahlua

Bake cake and cut in small squares. Put 1/2 cake in bottom of bowl - follow with 1/4 cup Kahlua over cake. Follow with half of chocolate pudding. Then 1/2 Heath bar, crushed in small pieces and Cool Whip. Repeat the above, making 2 layers.