Preheat the oven to 325°F / 163°C and mix graham cracker crumbs with melted butter, then press firmly into the bottom of a 9-inch springform pan.
Beat cream cheese and sugar on medium speed until smooth and fluffy, about 3 minutes.
Add eggs one at a time, beating on low speed after each addition, then mix in sour cream, vanilla extract, and heavy cream until just combined.
Pour the filling over the crust and bake for 55 to 60 minutes until the edges are set but the center still jiggles slightly.
Turn off the oven, crack the door open, and let the cheesecake cool inside for 1 hour to prevent cracking.
Refrigerate for at least 4 hours or overnight until completely chilled and firm before slicing.
