1 pkg. family size brownie mix
1/2 c. kahlua
3 pkgs. Jello mousse
16 oz. Cool Whip
8 Heath bars

Bake brownie mix as directed. When done, pour kahlua over top. Allow to cool. Crumble 1/2 brownies in large shallow bowl. Mix Jello mousse according to directions. Spread 1/2 of mixture over brownies. Spread 1/2 of Cool Whip over mousse. Place 8 Heath bars in food processor, chop coarsely. Sprinkle 1/2 of mixture over Cool Whip. Repeat layers and chill overnight.