Ingredients (for a cake pans of 18 cm)

120 gr fresh cream
70 gr dark chocolate 60% 
2 eggs
90 gr sugar cane
90 gr flour
5 gr bitter cocoa
8 gr baking

Melt the chocolate with cream. In a bowl mix sugar and eggs; once cold, add chocolate and after all the sifted powders, also baking. Put the mix into the cake pan and cook at 180°C (356°F) for about 30 minutes, than verify the cook. Once cold, if you like, add powdered sugar.