Ingredients
- Filling:
- 3 (8 ounce) packages cream cheese, softened
- 5 egg whites
- 1 1/2 cups white sugar
- 1 teaspoon vanilla extract
- 1 (9 inch) prepared graham cracker crust
- Topping:
- 1 pint sour cream
- 2 tablespoons white sugar, or more to taste
- 1/2 teaspoon vanilla extract
Directions
Preheat oven to 350 degrees F (175 degrees C).
Beat cream cheese in the bowl of a stand mixer fitted with a paddle attachment on medium speed until smooth, 2 to 3 minutes.
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Beat egg whites in a separate bowl on high speed until stiff peaks form, 3 to 5 minutes. Blend in 1 1/2 cups sugar. Fold egg whites into cream cheese, and stir in 1 teaspoon vanilla extract. Pour cream cheese filling into crust.
Bake in the preheated oven until filling is set, about 20 minutes. Remove from oven; set aside.
Increase oven temperature to 475 degrees F (246 degrees C).
Combine sour cream, 2 tablespoons white sugar, and 1/2 teaspoon vanilla extract together in a large bowl. Spread evenly on top of the filling.
Bake in the preheated oven until golden, about 5 minutes. Remove from oven and cool to room temperature, about 45 minutes. Cover with plastic wrap and chill in the refrigerator until firm, at least 2 hours.