Kahlua Trifle

1 (18.25 ounce) box Devil's food cake mix
2 small boxes chocolate instant pudding
3 1/2 cup milk
1/2 cup Kahlua
1 small container Cool Whip
6 Heath bars, frozen

Bake cake in 9 x 13-inch pan. Cool. Cut into 1-inch squares.

Make pudding using milk and Kahlua. Crush frozen Heath bars with a hammer.

In a deep clear glass bowl or trifle dish, put a layer of half the cake, half the pudding, half the Cool Whip then half the Heath Bars. Repeat layers. Refrigerate for at least two hours before serving.