1 box chocolate cake mix
4 boxes Jell-O chocolate mousse mix
6 Skor candy bars
1 cup Kahlua
24 ounces Cool Whip
Bake cake according to package directions for a 9 x 13-inch cake.
Prick top of baked cake with fork then pour Kahlua over the cake. Let this soak in - it can be left this way overnight.
Make the chocolate mousse according to package directions.
To assemble cake: Crumble up half of the cake and place it on the bottom of a large glass bowl.
Layer half of the mousse, then half of the Cool Whip and half of the Skor candy bars, broken into small pieces. Repeat.