3 small boxes instant vanilla pudding
5 cups milk
1 12-ounce container Cool Whip, divided
½ cup sour cream
5 bananas, sliced
1 box vanilla wafers

Mix instant pudding with milk. Beat until slightly thickened. Mix ½ of Cool Whip and sour cream with pudding mixture. Set aside.

Place half of the bananas in bottom of large bowl. Top with half of the vanilla wafers. Pour half of pudding mixture over bananas and wafers.

Add a second layer of bananas, wafers and pudding. Top with remaining Cool Whip.

Refrigerate at least two hours before serving.