3 sm. boxes instant banana cream pudding mix
1 lg. container Cool Whip
4 oz. sour cream
1 lg. box vanilla wafers
6 lg. bananas

Prepare pudding according to package directions. Fold in Cool Whip and sour cream. Arrange half of the vanilla wafers on the bottom of a 9x13 inch pan. Slice 3 bananas on top of wafers. Pour half of the pudding mixture on top of bananas; repeat with remaining ingredients. Garnish with crushed vanilla wafers on top. Chill.