1 box chocolate cake mix
1 c. kahlua
4 boxes Jello chocolate mousse pudding (prepare according to pkg.)
4-6 Heath bars
2 med. Cool Whip

Bake cake in 9 x 13 inch pan. Cool. Poke holes in cake with fork. Pour kahlua over cake. Chill for at least 10 minutes. Layer in trifle or punch bowl - 1. Cake. 2. Pudding. 3. Candy bars broken with hammer. 4. Cool Whip. 5. Top with chocolate shavings.