Make vanilla pudding and whipped cream as instructed. Let pudding chill completely.
– Line the bottom of a 9x9 baking dish with wafer cookies, top with half of the banana slices, and then top banana slices with half of the vanilla pudding.
– Repeat the layers and top with whipped cream and vanilla wafer cookie crumbles if you desire.
Cover tightly and let chill until ready to serve.