Marble Cheesecake

Directions

1. Combine crumbs, sugar and margarine; press into bottom of 9 inch springform pan. Bake at 350 degrees F for 10 minutes.
2. Combine cream cheese, sugar, flour and vanilla, mixing at medium speen on electric mixer until well blended. Blend in eggs. Blend chocolate into 1 cup batter. Spoon plain and chocolate batters alternately over crust; cut through batter with knife several times for marble effect.
3. Bake at 450 degrees F for 10 minutes. Reduce oven temperature to 250 degrees F; continue baking 30 minutes. Loosen cake from rim of pan; cool before removing rim of pan. Chill.