1 lg. box instant vanilla pudding
1 (16 oz.) container Cool Whip
2 1/2 c. milk
1 (8 oz.) carton sour cream
1 lg. box vanilla wafers
4 to 5 lg. bananas
Whip pudding with milk according to package directions. Add sour cream and half of the Cool Whip. Mix well.
Layer bananas and vanilla wafers in large bowl. Pour pudding over each layer. Spread remaining Cool Whip on top and sprinkle with crushed vanilla wafers. Chill thoroughly. Yield: 6 servings.