1 pkg. chocolate cake mix
2 small boxes instant chocolate pudding (3.9 oz.)
1 c. Kahlua
1 (16 oz.) carton Cool Whip
6 Heath bars

Mix and bake cake mix according to package instructions. When cooled, break into pieces into large bowl. Prepare pudding according to directions. Add Kahlua. Pour over cake. Top with Cool Whip and then the Heath bar, crushed.