Step 1

In large mixing bowl, mix together pudding mix, milk, and sour cream. Mix well.

Step 2

Fold in one (thawed) whipped cream topping and mix well. Set aside.

Step 3

In the bottom of a trifle bowl or other serving dish, place a layer of wafer cookies (side-by-side).

Step 4

Next, spread a layer of pudding mixture on top of the wafers.

Step 5

On top of the pudding, add a layer of bananas.

Step 6

Repeat until all ingredients are used, ending with the pudding mixture.

Step 7

Spread the second thawed whipped topping on top of the pudding. (You may not use all of it.)

Step 8

Place the reserved 8-10 wafer cookies in a sealable bag. Using a rolling pin or mallet, crush the cookies into small, fine pieces. Sprinkle the crushed cookies on top of the whipped topping.

Step 9

Cover and refrigerate until ready to serve.