3 to 4 bananas
1 box vanilla wafers
1 (4 oz.) box vanilla instant pudding mix
1 (8 oz.) carton sour cream
1 (16 oz.) carton cool whip

In medium bowl mix, pudding mix with 2 cups of cold milk. Let stand. Add sour cream and cool whip, mixing well. Place in layers into another bowl a layers of bananas, layer of vanilla wafers, and a layer of pudding. Continue this process until bananas, wafers, and pudding is all used up. Ending with pudding on top.