In a mixing bowl, combine the mashed bananas and melted butter.
Mix in the sugar, beaten egg, and vanilla extract until well combined.
Add the baking soda and salt, then gently fold in the flour until just combined.
Pour the banana bread batter into the prepared pan and spread it evenly.
Bake the Banana Bread Layer:
Bake in the preheated oven for about 20-25 minutes, or until a toothpick inserted into the center comes out clean.
Remove from the oven and let it cool slightly while preparing the cheesecake layer.
Prepare the Cheesecake Layer:
In a large mixing bowl, beat the cream cheese until smooth.
Add the sugar and beat until well combined and creamy.
Add the eggs, one at a time, beating well after each addition.
Mix in the vanilla extract and sour cream until smooth and well combined.
Assemble and Bake:
