Brownie Trifle - cooking recipe

Ingredients

1 (19.8 oz.) pkg. fudge brownie mix
1 (3.5 oz.) pkg. instant chocolate mousse mix
8 (1.4 oz.) toffee flavored candy bars, crushed (Symphony almond and toffee, 2 big bars)
1 (12 oz.) container frozen whipped topping (Cool Whip), thawed
chocolate curls (for garnish; optional)

Preparation

Prepare brownie mix and bake according to package directions in a 13 x 9 x 2-inch pan. Prick top of warm brownies at 1-inch intervals using a meat fork.
Let it cool.
Crumble.