1 regular brownie mix, baked and cooled*
2 pkgs, chocolate mousse, prepared without crust
20 oz. Cool Whip
7 Heath bars, crushed
1 C. pecans, chopped
In a clear bowl, layer as follows: brownie pieces, mousse, pecans, Cool Whip, and Heath bars. Allow to sit overnight.
*Optional: Poke with fork and pour 1/2 cup Kahlua over the top.