1 chocolate cake mix
2 boxes chocolate pudding (instant)
1 (16 oz.) Cool Whip
1 box bite size Heath bars (or toffee bars), crumbled into tiny pieces

Double recipe using large trifle bowl.

Make cake, let cool, cut into pieces. Make pudding. Layer into trifle bowl using Cool Whip as bottom layer and ending with Cool Whip as top layer. Shaved chocolate on top for decoration.