Finely grate the chocolate, mix with the almonds in a bowl. Add sugar and vanilla sugar.
Beat egg white and salt until semi-stiff and add bitter almond flavor to the almond mixture. Process into a firm, moist dough.
With the help of 2 teaspoons, place small heaps on a baking sheet lined with baking paper. Bake in a preheated oven (electric oven: 175 ° C, fan oven: 150 ° C, gas: level 3) for 12 - 15 minutes. Cool on a wire rack.