1 box brownie mix, prepared and cooled
1 (12 oz.) Cool Whip
6-8 Heath bars, crushed
1 box chocolate mousse mix, prepare and refrigerate

CHOCOLATE SAUCE:

Prepare and cool.

1 c. sugar
2 tbsp. flour
3 tbsp. cocoa
Dash salt

Heat 1 cup milk, 3 tablespoons butter and 1 tablespoon vanilla. Add 1/2 cup of milk to cocoa mixture. Mix well, then add to the rest of the milk and cook until thickened.