1 (8 oz.) sour cream
2 (3 1/2 oz.) instant vanilla pudding
3 1/2 c. milk
Vanilla wafers (to taste)
3 bananas
1 (8 oz.) Cool Whip

Mix first 3 ingredients until thickened. Layer with vanilla wafers and bananas in pyrex dish. Top with Cool Whip. Refrigerate - it's good for days. You'll love it!