Grab the dish or container you will use for the pudding and start layering. Your layer pattern should be cookies, bananas, and then the pudding mixture. Repeat until you run out of pudding mixture.
Remember the Cool Whip you set aside? Take a spoon and stir it until it is not a solid piece. Next, pour and spread the Cool Whip on top of your dessert so that it covers any visible pudding, cookies, or bananas. To give the banana pudding that finishing touch, add a layer of crushed cookies.