melt the butter in microwave for 30sec to make it soft

mix the butter with the sugar powder in the same bowl

add one egg at a time with a little bit of flouer and preside the step until the third egg. Make the mixture soft without any bubbles.

in the same time melt the chocolate in a bain Marie with three tablespoons of water

Preheat your oven to 300°F - 150C

add the melted chocolate with your other mixture and mix it together until its all even

butter your cake mold and pour the cake batter into it. Than when your oven is preheated put it in for 25-30min

After the cake is out of the oven you can. put powdered sugar on the cake to make a nice presentation. This cake is served cold

To check the cake quality,you can take a toothpick and put it in the center of the cake.

Finally put in the refrigerator, and when the cake cools you can put the sugar powder and make the service