2 small pkg. instant vanilla pudding
3 1/3 c. milk
1 c. (8 oz.) sour cream
1 tsp. lemon juice
1 tsp. vanilla flavoring
8 oz. Cool Whip
bananas
vanilla wafers

Mix pudding and milk until thick. Add sour cream. Fold in Cool Whip, lemon juice and flavoring. In serving dish, layer wafers, banana slices and pudding mixture.