Death By Chocolate
["1 pkg. devil's food cake mix", "3 pkg. Knorr chocolate mousse", "3 (8 oz.) containers Cool Whip", "3 pkg. Heath Sensations candy or 6 Heath candy bars, crushed"]
["Earlier in the day:", "Bake cake in 13 x 9-inch pan according to box directions.", "Make 3 packages of mousse.", "Use a large bowl and follow directions on back of package."]
["cake mix", "Knorr chocolate mousse", "containers", "candy bars"]