01 -
Preheat oven to 165°C. Coat a 23-centimeter springform pan with nonstick baking spray, line the base with parchment, and spray again.
02 -
Pulse Nilla Wafers in a food processor to a fine crumb. Combine crumbs with brown sugar and melted butter until evenly moistened.
03 -
Press crumb mixture firmly into the base and halfway up the sides of the pan. Use a flat-bottomed cup to compact. Bake for 11 minutes, then set aside.
04 -
Using a stand mixer, beat cream cheese and granulated sugar on high for 2 minutes, scraping the bowl to ensure smoothness.
05 -
Mash bananas thoroughly. Add mashed bananas, vanilla extract, sour cream, and heavy cream to the bowl; mix on medium speed until just combined. Some lumps from bananas are normal.
06 -
Add eggs one at a time, blending on low until just incorporated. Do not overmix. Scrape the sides and bottom of the bowl.
07 -
Pour half the cheesecake batter onto the cooled crust. Arrange sliced bananas evenly and sprinkle with crushed Nilla Wafers. Cover with the remaining cheesecake batter.
08 -
Place the filled springform pan into a larger cake pan or wrap base in foil, then position in a deep roasting pan. Pour hot water halfway up the side to create a steam bath.
09 -
Bake for 80–90 minutes, until edges are set and the center has a slight jiggle. Turn off oven, crack the door, and let cool inside for 30 minutes.
10 -
Remove from the water bath and cool to room temperature on a wire rack. Wrap in foil and refrigerate for at least 6 hours or overnight to set completely.
11 -
In a large bowl, whisk pudding powder with cold milk for 2 minutes. Chill in refrigerator while preparing whipped cream.
12 -
Using a chilled bowl and whisk, beat heavy cream and vanilla on high until stiff peaks form.
13 -
Fold whipped cream gently into chilled pudding until fully combined. Unmold cheesecake, remove parchment, and top with whipped vanilla pudding. Garnish generously with crushed Nilla Wafers.