1 box devil's food cake mix
1 jar caramel topping
1 8oz. Cool Whip
5 Heath bars (chopped into little pieces)

Bake cake according to directions on package using a 13x9" pan.

Remove cake from oven, let cool for 20 minutes or so. Make holes in cake with a wooden spoon handle.

Heat caramel in microwave for about 45 seconds. Pour into holes in the cake.

Spread with Cool Whip and chill for at least 2 hours. Before serving, sprinkle with chopped Heath bars.