1 lg. box instant vanilla pudding
3 c. sweet milk
1 (8 oz.) sour cream
1 (8 oz.) Cool Whip
3/4 tsp. vanilla
Bananas
1 (12 oz.) box vanilla wafers

Mix pudding and milk together. Add sour cream and blend well in mixer. Add vanilla and half of the Cool Whip into mixture and blend. Layer wafers, bananas, and pudding. Top with remaining Cool Whip. Refrigerate several hours before serving.