Step 1: Prepare the Crust

1. Preheat oven to 350°F (175°C).

2. Mix graham cracker crumbs, sugar, and cinnamon in a bowl.

3. Stir in melted butter until combined.

4. Press mixture into the bottom of a 9-inch springform pan.

5. Bake for 8–10 minutes, then let it cool.

Step 2: Make the Cinnamon Filling

1. Melt butter in a microwave or saucepan.

2. Stir in brown sugar and cinnamon until smooth.

3. Let it cool slightly until thick but pourable.

Step 3: Prepare the Cheesecake Batter

1. In a large bowl, beat cream cheese until smooth.

2. Add sugar and mix well.

3. Stir in sour cream and vanilla extract.

4. Add eggs one at a time, mixing slowly after each.

5. Mix in flour just until combined.

Step 4: Assemble the Cheesecake

1. Pour half of the cheesecake batter over the crust.

2. Drizzle half of the cinnamon filling over the batter.

3. Swirl with a knife or skewer.

4. Repeat with the remaining batter and cinnamon filling.

5. Swirl the top layer gently.

Step 5: Bake the Cheesecake

1. Reduce oven temperature to 325°F (160°C).

2. Bake for 55–65 minutes, until edges are set but the center slightly jiggles.

3. Turn off the oven and leave the cheesecake inside for 1 hour with the door slightly open.

Step 6: Cool and Chill

1. Let cheesecake cool at room temperature.

2. Run a knife around the edges, then chill in the fridge for at least 4 hours (overnight is best).

Step 7: Add the Glaze

1. Mix powdered sugar, milk, and vanilla extract in a bowl.

2. Drizzle over the cold cheesecake before serving.