Grandma'S Cheesecake(New York Style)

Ingredients
- 1 1/2 c. graham cracker crumbs
- 4 Tbsp. sugar
- 1/4 lb. (1 stick) butter
- 3 (8 oz.) cream cheese bars
- 1 c. sugar
- 5 eggs, separated whites
- 1 pt. sour cream
- 1 1/2 tsp. vanilla
Directions
- Preheat oven to 350°.
- Melt butter; add sugar and graham cracker crumbs.
- Mix and line spring-form pan for crust.
- Room temperature cream cheese; sour cream leave out several hours before mixing.
- Beat cream cheese, sour cream, sugar, egg yolks and vanilla.