Chocolate Orange Cake

Directions

1. 1
   Preheat the oven to 170C/150C Fan/Gas 3.
2. 2
   Grease a round 23cm-deep cake tin with butter and line the base with baking powder.
3. 3
   Break the chocolate into squares and put in a bowl with the butter.
4. 4
   Stand the bowl over a pan of simmering water until the chocolate has melted - make sure the base doesn't touch the water.
5. 5
   Leave to cool slightly.
6. 6
   Separate the egg yolks from the whites.
7. 7
   Stir the ground almonds, orange zest, juice and yolks into the chocolate.
8. 8
   In a different bowl, whisk the egg whites until stiff.
9. 9
   Add the sugar 1 tbsp at a time - after each addition, whisk until stiff again.
10. 10
    Add a quarter to the chocolate mixture and gently fold inches Then fold in the rest of the egg whites.
11. 11
    Turn the mixture into a cake tin and bake for 35-40 minutes.
12. 12
    Leave to cool in the tin for 10 minutes, then turn out and finish cooling on a wire rack.
13. 13
    Serve dusted with the cocoa.