Step 1

Heat oven to 325°F.

Step 2

Mix graham crumbs, 3 Tbsp. sugar and butter; press onto bottom of 9-inch springform pan. Bake 10 min.

Step 3

Beat cream cheese, 3/4 cup sugar, lemon zest, juice and 1/2 tsp. vanilla with mixer until well blended. Add eggs, 1 at a time, beating on low speed after each just until blended. Pour over crust.

Step 4

Bake 55 min. to 1 hour or until center is almost set. Mix sour cream, remaining sugar and vanilla until well blended; carefully spread over cheesecake. Bake 10 min. Run knife around rim of pan to loosen cake; cool before removing rim. Refrigerate 4 hours.