Wash the cherries and put 12 cherries aside for decoration. Stone, stone and halve the remaining cherries. Finely chop the chocolate and melt half of it over a warm water bath. Cream butter, sugar and salt with the whisk of the hand mixer. Add melted chocolate and almonds to the butter-sugar mixture and stir until creamy. Stir in the eggs one by one.
Mix flour, baking powder, remaining chopped chocolate and cherries and fold into the dough with an egg whisk. Place 2 paper sleeves in each of the recesses of a muffin tray (12 recesses) and spread the dough in them. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 25 minutes. Let cool on a cake rack. Finely chop white couverture and melt over a warm water bath. Decorate muffins with a blob of white couverture and a cherry