1 box graham crackers
2 sm boxes instant vanilla pudding
1 8oz package sour cream
1 8oz container Cool Whip
3 cups cold milk
1 container chocolate frosting

In a bowl, mix pudding and milk until a little thick. Add sour cream and Cool Whip and mix well until it thickens.

In a 9x13 pan, add a layer of graham crackers. Then add a layer of pudding mixture. Alternate until all pudding mixture is used and end with a layer of graham crackers on top. Spread frosting over top of graham crackers and refrigerate.

Cut into squares and serve.