1 boxed brownie mix
1/2 c. Kahlua
3 (3 1/2 oz.) pkg. Jello instant chocolate mousse
8 lg. chocolate toffee candy bars (Heath or Skor)
1 (12 oz.) Cool Whip

Preheat oven to 350 degrees. Make brownie mix according to directions. Prick holes in warm brownies and pour kahlua over. Let cool. Prepare mousse according to directions. Break candy bars into small pieces. Break brownies in small pieces. Layer 1/2 brownies in large glass bowl or trifle dish. Cover with 1/2 of the mousse, 1/2 of the candy bar pieces, 1/2 of the Cool Whip. Repeat. Refrigerate. Enjoy!