Better Than Sex Cake

1 box German chocolate cake mix
1 can Eagle Brand sweetened milk
1 jar Mrs. Ricard's butterscotch/carmel sauce for ice cream
1 8 oz Cool Whip
2 Heath bars

Bake cake as directed. Cool to room temperature. poke holes in cake, pour 1 can Eagle Brand over cake. Refrigerate, covered. Poke holes again; add 1 jar ice cream sauce. Cover with Cool Whip. Add crushed Heath bars. Refrigerate.