Marble Chocolate Cheese Cake

Ingredients :
(A)
180g butter
20g cooca powder
170g castor sugar
3 eggs
120g SR flour

(B)
250g cream cheese
60g castor sugar
1 ts vanilla
1 egg
1/2 cup water (or milk)

Methods:

1.   Melt butter. Add cocoa powder and mix well
2.   Cool slightly. Add in sugar.  Beat in egg one by one.
3.   Mix in flour.  Pour into 8" square tin.
4.   Bake at 170C for 15 minutes ( half cooked)
5.   Mix and beat well all ingredients (B)
6.  Pour over (A).
7.   Swirl thru with small knife for marble effect.
8.   Bake for 30 mins