Stir the fat until creamy. First stir in the egg, then the icing sugar and vanillin sugar. Mix flour, cocoa and baking powder, add and knead everything into a smooth dough. Cover and chill for about 30 minutes.
Line one or two baking trays with baking paper. Roll out the dough on a little flour to a thickness of about 3 mm. Cut out stars of different sizes (5-8 cm Ø) as desired and place them on the baking tray. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C / gas: level 2) for 8-10 minutes. Let them cool down
Halve the almonds. Chop the chocolate coating and melt in a hot water bath. Decorate stars with couverture and one part with half an almond each. Leave to dry