Marbled Cheesecake

Directions

1. 1
   Combine the Graham cracker crumbs and melted butter and press into the base and sides of a lightly greased 9-inch springform pan.
2. 2
   Chill until firm.
3. 3
   Preheat the oven to 350F.
4. 4
   Beat the cream cheese, sugar, flour, vanilla and eggs until smooth.
5. 5
   Divide the mixture in half.
6. 6
   Mix the cocoa and chocolate until smooth and add to half the mixture.
7. 7
   Place spoonfuls of the plain and chocolate mixtures on top of the crust, alternating flavors.
8. 8
   Swirl a spatula through the batters to marble the two flavors.
9. 9
   Bake for about 50 minutes.
10. 10
    Cool, then refrigerate for several hours or overnight.
11. 11
    Serve decorated with whipped cream, if desired.