1 (22 oz.) pkg. brownie mix or chocolate cake mix
1/3 c. kahlua
3 envelopes chocolate mousse mix
5 Heath bars
16 oz. whipped topping

Bake mix using the package directions for a 9 x 13-inch baking pan. Pour kahlua over the hot brownies or cake. Let stand until cool. Cut into bars-squares. Prepare the mousse mix using the package directions. Crush the candy in a large sealable plastic food storage bag with a rolling pin. Layer the brownies or cake, mousse, whipped topping and candy 1/2 at at time in a large deep serving dish. Chill, covered, for 8 to 12 hours.