1 box vanilla wafers
1 c. sour cream
1 lg. container Cool Whip
2 sm. boxes instant vanilla pudding
2 c. milk
6 bananas, sliced

Mix 2 cups milk and sour cream. Add all but 1/3 of Cool Whip. Stir in pudding. In large bowl, layer vanilla wafers, bananas, and pudding mixture. Repeat. Put the remaining Cool Whip on top. Chill.