2 lbs. cream cheese
3/4 c. sugar
2 lg. eggs, lightly beaten
1 tsp. vanilla
2 tbsp. cornstarch
1 c. sour cream

Preheat oven to 400 degrees. In large bowl, beat together cream cheese and sugar until smooth and light. Beat in eggs, vanilla and cornstarch, only until thoroughly mixed. Stir in sour cream until mixture is well blended. Pour into prepared crust and bake 45 minutes. Allow cake to cool in oven, with door propped slightly open for 3 hours. Chill.

GRAHAM CRACKER CRUMB CRUST:

1 1/2 c. graham cracker crumbs
6 tbsp. butter, melted
1/2 c. sugar

Mix and press in bottom and partly up sides of springform pan, chill for 10 minutes in freezer before filling with batter.