Deep chocolate cake mix
Kahlua
2 boxes instant chocolate mousse
2 lg. containers Cool Whip
9 lg. and 18 sm. Heath bars

Prepare cake according to the directions and bake in a 9x13 inch pan. Let cake cool. Poke holes with a fork and drizzle 1/2 cup of Kahlua over cake. Prepare the mousse according to directions.

In a large clear bowl, layer broken into bite-size pieces of cake, a portion of the mousse, then Cool Whip and broken pieces of candy bars. Saving enough of each so each layer may be repeated 3 or 4 times.