1 chocolate fudge cake mix
1 - 6 oz. package instant chocolate pudding mix
1/2 cup strong coffee
1 - 12 oz. package whipped topping
6 Heath bars, crushed

Bake cake according to package directions. Cool. Prepare pudding according to package directions; set aside. Crumble cake; reserve 1/2 cup. Place half of the remaining cake crumbs in the bottom of a 4 1/2 or 5 qt. trifle dish. Layer with half of the coffee, half of the pudding, half of the whipped topping
and half of the crushed candy bars. Repeat the layers of cake, coffee, pudding and whipped topping. Combine remaining crushed candy bars with reserved cake crumbs; sprinkle over top. 
Refrigerate 4-5 hours before serving.