(1.) Combine milk and pudding mix in bowl.
Mix well. Set aside and let thicken
(2.) Mix well Sour cream and cool whip together.
(3.) Combine mixture to pudding mix.
(4.) Layer 1/2 of bananas and wafers in dish.
(5.)Add 1/2 of pudding mix.
(6.) Repeat steps 4 and 5.