Preheat oven to 325°F (160°C). Grease a 9-inch springform pan.
In a bowl, mix crushed wafers, sugar, and melted butter.
Press evenly into the pan base.
In another bowl, beat cream cheese and sugar until smooth.
Add mashed bananas, eggs, vanilla, sour cream, and flour. Mix until creamy.
Pour filling over the crust and spread evenly.
In a small bowl, mix topping ingredients. Sprinkle over the cheesecake.
Place pan on a baking sheet.
See full steps with tips & photos → https://theboatshedcafe.com/banana-pudding-cheesecake-2/