Step 1: Prepare the Cinnamon Roll Crust

1. Preheat the oven to 350°F (175°C) and grease a 9-inch springform pan.
2. In a bowl, combine flour, sugar, cinnamon, baking powder, and salt.
3. Add melted butter, vanilla extract, and egg. Mix until a dough forms.
4. Press the dough into the bottom of the pan and bake for 10 minutes. Set aside to cool.

Step 2: Make the Cheesecake Filling

1. In a large bowl, beat cream cheese until smooth.
2. Add sugar, then mix in eggs one at a time.
3. Stir in vanilla extract, sour cream, and heavy cream until smooth.

Step 3: Add the Cinnamon Swirl

1. Mix melted butter, brown sugar, and cinnamon in a small bowl.
2. Pour half of the cheesecake batter over the crust.
3. Drizzle half of the cinnamon mixture and swirl with a knife.
4. Repeat with the remaining batter and cinnamon mixture.

Step 4: Bake the Cheesecake

1. Bake at 325°F (163°C) for 45-50 minutes until the edges are set.
2. Turn off the oven and let the cheesecake cool inside for 1 hour.
3. Refrigerate for at least 4 hours or overnight.

Step 5: Make the Cream Cheese Frosting

1. Beat softened cream cheese until smooth.
2. Add powdered sugar, heavy cream, and vanilla extract.
3. Beat until fluffy and spread over the chilled cheesecake.