2 pkg. instant vanilla pudding
2 1/2 c. milk
1 c. sour cream
8 - 10 oz. Cool Whip
Vanilla wafers
4 - 5 bananas

Blend together pudding and milk. Add sour cream, then fold in Cool Whip. Layer vanilla wafers, bananas and pudding one layer at a time, ending with pudding. Garnish with wafer crumbs. Cover and refrigerate. This makes a large pudding.