1. Crush or blend the graham crackers until crumb-like.
2. Add sugar and butter to the graham cracker crumbs.
3. A mouldable texture should have been formed. Press the graham crackers down in the bottom of a lined pan.
4. Bake the crust at 350°F for 10 minutes.
5. In another bowl, beat together the cream cheese, sour cream, sugar, eggs and vanilla extract.
6. Split the cheesecake mixture in half.
7. To one of the halves add pumpkin purée, cinnamon and pumpkin pie spice.
8. After 10 minutes of baking, let the crust cool down.
9. Pour both cheesecake batters on top of the crust.
10. Swirl them together!
11. Bake this for 38-41 minutes.
12. Enjoy!!!