Double Chocolate Mocha Trifle

1 pkg. (18.25 oz.) brownie mix (plus ingredients to make brownies)
1 cup milk
2 pkgs. (3.4 oz. each) white chocolate instant pudding and pie filling
cup warm water
4 tsp. instant coffee granules
2 cups thawed frozen whipped topping
3 toffee bars (1.5 oz. each), coarsely chopped
Prepare and bake brownie mix according to cake-like package directions; cool completely.
In large bowl, whisk pudding mix into milk, until mixture begins to thicken.
Dissolve coffee granules in warm water; add to pudding mixture, mixing well. Fold in whipped topping.
Cut brownies into 1 inch cubes. Chop toffee bars.
Layer 1/3 of the brownie cubes into trifle bowl. Top with 1/3 of the pudding mixture, pressing lightly, and 1/3 of the chopped toffee. Repeat layers two more times. Chill 30 minutes before serving.
Makes 12 servings.