Chocolate cake mix
Chocolate syrup
Chocolate graham crackers (or other chocolate cookies)
Chocolate pudding
Cool Whip

Prepare a chocolate cake mix according to package directions. Bake in a 13x9 inch pan. When done, allow to cool for 10 minutes. Then poke holes in the cake. Pour a bottle of heated chocolate syrup over the cake. Then place a layer of chocolate cookies over the syrup. Prepare chocolate pudding according to directions. Pour over cookie layer. Put in the refrigerator overnight. Next day top with a layer of Cool Whip.