Preheat the oven to 180 ° C top / bottom heat. Grease the muffin tray for 24 mini muffins or prepare 24 small paper cases.
Beat eggs, butter and sugar until frothy. Mix cocoa powder, flour and baking powder and stir in briefly. Put a full teaspoon of the batter into each of the molds.
Bake in the middle of the hot oven for about 12 minutes.
Let cool, dust with icing sugar or decorate as you like.