Frozen Marble Cheesecake

Directions

1. 1
   Mix instant coffee with sweetened cocoa powder.
2. 2
   Separate egg whites from yolks.
3. 3
   Beat egg whites with 1 cup sugar until stiff.
4. 4
   In a large bowl, mix cheese, yolks, 1 cup sugar, vanilla, and rum essence.
5. 5
   Gently fold beaten egg whites into the batter.
6. 6
   Line large rectangular pyrex dish with petit beurre crumbs.
7. 7
   Pour half the batter over the cookie or crumb base.
8. 8
   Sprinkle with coffee and cocoa mixture and cover with the remaining half of the batter.
9. 9
   Freeze.
10. 10
    When the cake is sliced, the dark surface inside creates a marble effect, which adds an element of surprise as well as flavor.