01 -
Heat the oven to 350°F and grease a 9-inch springform pan.
02 -
Press the measured sugar-cookie dough evenly over the base.
03 -
Bake about fifteen minutes to set the crust, then let it cool slightly.
04 -
Beat softened cream cheese with sugar until smooth.
05 -
Add eggs one at a time on low speed.
06 -
Mix in vanilla and sour cream just until combined.
07 -
Pour over the crust and level gently.
08 -
Bake about forty to forty-five minutes, continuing as needed until the edges are set and the center has a slight unified wobble and reaches 160°F.
09 -
Turn off the oven and allow a short gradual cool with the door ajar, then transfer to a rack and refrigerate within two hours after baking ends. Chill at least four hours before releasing the pan and slicing.