1 box Duncan Hines devils food cake mix
1 can sweet and condensed milk
1 carton Cool Whip
1 pkg. frozen coconut, thawed

Using sheet cake size pan, bake cake according to the directions on box. While the cake is still hot, punch holes in the top with fork. Pour sweet and condensed milk over cake. Let cool and spread Cool Whip on top. Sprinkle with the thawed coconut.