Preheat your oven to 350°F (175°C).
In a large bowl, combine flour, sugar, and a pinch of salt.
Cut in the cold butter until the mixture resembles coarse crumbs.
Add the egg and vanilla, mixing until a dough forms.
Divide the dough in half. Roll out one half and press into the bottom of a greased 9-inch springform pan to form the bottom crust.
2. Make the Cheesecake Filling
In a large bowl, beat cream cheese until smooth.
Add sugar and beat until creamy.
Beat in eggs, one at a time, mixing well after each addition.
Stir in vanilla, sour cream, and flour until fully combined.
3. Assemble the Cheesecake
