Roughly chop the chocolate. Melt fat and chocolate in a bowl over a warm water bath. Remove from the heat and let it cool down at least lukewarm
Separate eggs. Beat the egg yolks and 100 g sugar with the whisk of the hand mixer until light and creamy. Stir in chocolate butter and honey. Mix flour and baking powder and stir in briefly. Beat the egg whites until stiff, adding 25 g icing sugar. Fold the beaten egg whites into the dough
Grease and flour hollows of a Madelein plate. Pour the dough into the hollows and brush it gently flat. Bake Madeleines in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 10 minutes.
Remove the baking tray from the oven, let it cool down a little and remove the madeleines from the trays. Let the madeleines cool down on a cake rack