Put your pot on fire add water to the pot, break your egg into a bowl turn it till it get thick and form, then place your bowl that contain the egg into the water on fire, till it get thick and forming then bring it down. Melt your butter, fetch little of the egg add it to your melt butter then stir it, mixed your coco powder and the white flour and add it to the egg remaining, then turn it and add your butter, then bake it for 25 minutes. Then remove it from the oven then your cake is ready.