Preheat the oven to 325°F (162°C).
Mix the graham cracker crumbs, sugar, and melted butter. Press into the bottom of a 9-inch springform pan.
Beat the cream cheese until smooth.
Add the sugar and vanilla extract and mix well.
Add the eggs one at a time, mixing gently after each addition.
Fold in the sour cream and flour until just combined.
Pour the batter over the prepared crust.
Bake for 55–60 minutes until the edges are set and the center is slightly jiggly.
Cool completely, then refrigerate for at least 4 hours or overnight.
Slice and serve with your favorite toppings.