Combine cream cheese, eggs, 1 cup sugar, and 1 teaspoon vanilla in the bowl of an electric mixer. Mix on low speed until smooth. Pour filling into graham cracker crust.

Bake at 350 degrees F (175 degrees C) for 35 minutes. Remove pie from oven. Raise oven temperature to 450 degrees F (230 degrees C).

In a small bowl, blend sour cream, 2 tablespoons sugar, and 1/4 teaspoon vanilla together. Gently spread mixture over pie.

Bake for five minutes before serving.