Chocolate Cake with Custard Filling

Chocolate Cake with  Custard  Filling
  

Ingredients
250g mascarpone cheese
200g black chocolate
75g icing sugar
40g flour
4 eggs
15ml orange juice
Rind of an organic orange
*Custard Filling*
2 cups milk
3 tbsp sweetened custard powder
Rind of an organic orange
Method
Boil milk in a thick bottomed vessel .
Dilute custard powder in a cup of milk without any lumps.
Add to the boiling milk & stir continuosly.
When it thickens, remove from fire. 
Add the rind of an organic orange. 
Set aside to cool.
***
Preheat the oven to 180°C.
Mix mascarpone with sugar.
Break the chocolate bar & add 2 tbsp water.
Melt in microwave oven 2 mn.
Add melted chocolate with the mascarpone mixture.
Mix well & then add beaten eggs.
Sieve the flour and fold into the cake mixture.
Add orange juice, rind & candied oranges & mix well.
Pour hallf of the batter into the greased cake pan.
Bake for 15mn, Th 180°C. 
Remove from the oven & top with the prepared custard.
Cover the custard topping with the remaining batter. 
Return to the oven & bake for another 10 mn. 
Set aside to cool.