1 pkg. chocolate cake mix
1 instant chocolate pudding
1 med. Cool Whip
2 Heath bars
1/2 c. Kahlua

Bake 2 round layers chocolate cake. Cool and cut into 1 inch cubes. Place 1/2 of cake cubes in bottom of straight sided glass bowl. Pour 1/4 cup Kahlua over cake. Layer 1/2 of chocolate pudding and 1/2 of Cool Whip over cake. Sprinkle with 1 crushed Heath bar. Repeat layers starting with cake and ending with Heath bar.