Banana Trifle
["1 pkg. vanilla wafers, crushed", "3 (3 oz.) boxes instant vanilla pudding", "5 c. milk", "1 c. (8 oz.) sour cream", "1 large (12 oz.) Cool Whip, thawed", "2 or 3 bananas, sliced"]
["Place vanilla wafers (except 1/2 cup finely crushed) in 9 x 13-inch dish, then set aside.", "Combine pudding and milk; beat 1 to 2 minutes.", "Add sour cream and half of the Cool Whip; mix well. Place half pudding over wafers and smooth around.", "Slice bananas over pudding, then cover with remaining pudding; smooth, then cover with remaining Cool Whip.", "Smooth, then sprinkle finely crushed vanilla wafers over top.", "Keep in refrigerator."]
["vanilla wafers", "instant vanilla pudding", "milk", "sour cream", "bananas"]