Death By Chocolate

Directions

1. 1
   Preheat oven according to brownie package directions.
2. 2
   Bake brownies according to directions; let cool.
3. 3
   Meanwhile prepare mousse according to directions.
4. 4
   Break candy bars into small pieces in food processor or by gently tapping with a hammer. Break up half the brownies into small pieces and place in the bottom of a glass bowl or trifle dish.
5. 5
   Cover with half the mousse, then half the candy, then half the whipped topping. Repeat layers.