Pkg. chocolate cake mix
2 sm. boxes instant chocolate pudding
6 Heath bars (crushed)
1 lg. container Cool Whip
3 c. cold milk
1/2 to 3/4 c. Kahlua

Make cake as directed and let cool. Mix pudding with milk and set aside. Crumble cake in a bowl and add Kahlua and mix well. In a clear glass bowl, layer 1/2 crumbled cake mixture, 1/2 chocolate pudding, 1/2 Cool Whip, 1/2 Heath bars. Repeat layers. Chill and serve.