In the bowl of a stand mixer fitted with the paddle attachment, beat the cream cheese and sugar together on medium-high speed for 3 minutes to ensure the mixture is smooth and creamy. Add in the heavy cream and sour cream and continue beating for 1 minute. Add in the eggs and vanilla and beat together for 30 seconds. Lastly, add in the flour, cinnamon, and salt and stir to combine. Pour the cheesecake batter into the pan with the banana bread.
16 ounces cream cheese, ⅔ cup granulated sugar, ⅔ cup heavy cream, ¼ cup sour cream, 1 large egg, 3 egg yolks, 1 teaspoon pure vanilla extract, 2½ tablespoons all-purpose flour, 1½ teaspoons ground cinnamon, ¾ teaspoon kosher salt
Wrap the bottom and sides of the springform pan with aluminum foil to prevent any water from seeping in. Place the springform pan into a larger pan. Fill the larger pan with enough water to come 1 inch up the sides of the springform pan to create a water bath.
To prevent browning, tent a large piece of aluminum foil over the cheesecake, ensuring that it is up high enough and does not set on top of the cheesecake batter.
Place into the preheated oven to bake for 1½ hours.
Once baked, turn the heat off, remove the aluminum and leave in the oven, with the door closed for 1 hour. Once the cheesecake has set, remove from the oven, unwrap the aluminum foil and place onto a cooling rack to cool to room temperature.
Cover with plastic wrap or aluminum foil and place into the refrigerator to chill for at least 8 hours.
Once chilled, remove from the refrigerator and unwrap. Carefully run a butter knife around the inside edge of the springform pan to release the cheesecake. Release the springform pan sides and remove from the cheesecake. Garnish with banana slices, caramel sauce, or walnuts if desired. Slice and serve the cheesecake.
2 bananas, ½ cup caramel sauce, 1 cup walnuts