
Gather your ingredients including a 9x13" baking dish, a whisk, and a large bowl.
In a large bowl, whisk to combine the pudding mix and milk until smooth. Then whisk in half of the whipped topping.
Use the remaining cookies to make the base layer by placing them side by side.
Add a layer of banana slices, then top with half of the pudding mixture. Smooth out the pudding, and repeat the layers.
Crush the remaining cookies and sprinkle them on top. Optionally, add leftover banana slices before serving.