Chop unsweetened chocolate and place it in a heatproof bowl, mix in cocoa powder. Boil a sum of water, and pour water into the bowl, stir until chocolate melted. Set aside.

Preheat oven to 350 F

Combine flour, baking powder and baking soda, set aside.

Cream margarine and add in sugar bits by bits, until fluffy then add in eggs one at a time. Add in vanilla extract followed with melted and cooled chocolate mixture.

Add in a little flour, followed with a little milk, until all used up; begin with flour and end with flour.

Pour batter and bake for 30-40 minutes or until a knife inserted in the center comes out clean.

Cool cake before frosting or applying fondant; do spread a little jam all over the cake before applying fondant.