1 chocolate cake mix (make)
2 instant chocolate pudding mixes
2 (8 oz.) Cool Whip topping
4 oz. Kahlua
1 Heath bar or dark chocolate bar

Prepare cake, cool and crumble 1/2 into large pieces into a trifle bowl or clear glass bowl. Pour Kahlua (2 ounces) evenly over crumbled cake. Pour 1 package prepared pudding over cake evenly. Spread 1 package of Cool Whip evenly. Repeat, top with Heath bar chunks. Refrigerate 3 to 4 hours before serving.