Preheat oven to 350 degrees F.
In a bowl, whisk the all purpose flour, baking powder, and salt
Using a stand mixer or a hand mixer, cream butter and sugar until light and fluffy
Add the vanilla extract, 1 egg, the flour mixture, and milk
Grease a 9" springform pan and spread half of the batter onto the bottom of the springform pan
For the cheesecake part, beat softened cream cheese for about 3-4 minutes
Pour in the vanilla extract, sour cream, and sugar
Add the eggs in one by one and make sure to scrape the sides and bottom of your bowl
For the cinnamon filling part, combine the melted butter, brown sugar, and cinnamon.
Place spoonfuls of the cinnamon filling over the entire cheesecake and the remaining half of the dough from earlier.
Swirl everything with a butter knife
Bake for about 1 hour and 10 minutes, once it's done baking let it sit for about 30 minutes at room temperature and then place it in the fridge for a minimum of 4 hours.
For the Cream Cheese Glaze, beat the cream cheese and unsalted butter for about 2 minutes
Add the vanilla extract, powdered sugar, and warm milk to thin it out.
spread the glaze all over the top of the cheesecake and Enjoy!