Step 1: Prepare the Crust

• Preheat oven to 325°F (165°C). Grease a 9-inch springform pan.

• Combine vanilla wafer crumbs, sugar, and melted butter in a bowl. Mix well.

• Press firmly into the bottom of the pan and bake for 10 minutes. Cool completely.

Step 2: Make the Cheesecake Filling

• Beat cream cheese and sugar in a large bowl until smooth and fluffy.

• Add eggs one at a time, mixing well after each addition.

• Mix in sour cream, vanilla extract, and mashed bananas until fully combined.

• Pour filling over cooled crust and smooth the top.

• Place pan in a water bath (wrap bottom in foil to prevent leaks).

• Bake for 60–70 minutes, until edges are set and center is slightly jiggly.

• Cool at room temperature for 1 hour, then refrigerate for at least 4 hours or overnight.

Step 3: Prepare the Banana Pudding Layer

• Whisk banana pudding mix and cold milk in a bowl until thickened.

• Gently fold in whipped cream to lighten the pudding.

• Spread evenly over the chilled cheesecake.

Step 4: Add Toppings and Chill

• Decorate with whipped cream, fresh banana slices, and crushed vanilla wafers.

• Refrigerate for an additional 1–2 hours to set before serving.