2 pkg. instant vanilla pudding
3 1/2 c. milk
1 sm. container Cool Whip
1 sm. container sour cream
5 bananas
1 box vanilla wafers

Mix instant pudding and milk according to directions on pudding package. When pudding is about set, add Cool Whip and sour cream. Mix well. Spread a thin layer of the pudding mix in the bottom of a large bowl or dish. Alternate layers of vanilla wafers, bananas and pudding until all the pudding is used. Garnish with a few vanilla wafers on the last layer of pudding or sprinkle with wafer crumbs.