Separate 1 egg. Mix the fat in pieces, 100 g icing sugar, flour, starch, binding agent, vanillin sugar, salt, 1 egg, 1 egg white and ground almonds first with the dough hooks of the hand mixer, then with your hands to a smooth dough. Cover and put in a cool place for about 1 hour
Roll out the dough into a rectangle (approx. 25 x 39 cm) on a work surface dusted with maize flour. Cut out approx. 45 lozenges with a dough wheel or knife. Place on a baking tray lined with baking paper
Spread the lozenges with 1 whisked egg yolk, sprinkle with flaked almonds and press on. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 12 minutes. Let them cool down. Sprinkle with 2 tablespoons icing sugar