1 lg. box vanilla instant pudding mix
1 (8 oz.) carton sour cream
1 (12 oz.) bowl whipped topping
1 box vanilla wafers
6 lg. bananas
2 c. milk

Put milk in large mixing bowl. Add the pudding mix and mix on low speed until thickens. Add the sour cream and mix until it is mixed well, about 2 minutes. Fold the whipped topping into this mixture, until it is well blended. Place a layer of vanilla wafers on the bottom of a large deep dish, then a layer of sliced bananas. Cover this with pudding mixture. Repeat layers. Sprinkle some wafer crumbs on top. Refrigerate until ready to serve.