Million Dollar Cake (Skor Cake)

1 box German Chocolate Cake Mix (prepare as directed in a 9x13 pan)
1 (14 oz.) can Sweetened Condensed Milk

1/2 -1 (12 oz) bottle Caramel topping

1 pt. Cool Whip
3 Skor or Heath Bars, chopped

When cake is done baking and hot, poke holes in it with the end of a wooden spoon. Pour sweetened condensed milk and caramel topping over cake and into holes. Cool in refrigerator. 

Spread cool whip over cake. Sprinkle toffee pieces over top. Chill in refrigerator until ready to serve.