3 sm. boxes vanilla pudding
5 c. milk
1 (8 oz.) carton sour cream
1 lg. tube Cool Whip
1 box vanilla wafers
4 or 5 lg. bananas

Mix pudding with milk until smooth. Add sour cream, blend in until smooth. Fold in approximately 2/3 of Cool Whip. Layer wafers, bananas, pudding. Top with remaining Cool Whip. This keeps for several days.