How to make chocolate cake??
Firstly, mix together cocoa powder, coco butter, butter, sugar and water in the mousse. Cook its together until its boil. After that, let its cool down to room temperature. Then add the eggs into the cooled mousse and whisk its with a stick blender. The egg will be whisked very quickly. Then, add the flour mixture and whisk with the stick blender. After that, bake the cake at 210C for 25 minutes and finish.