Knead flour, sugar, vanillin sugar, fat in pieces, egg, salt, cocoa and rum until smooth. Cover and chill for approx. 45 minutes
Roast the almonds without fat. Cut walnuts into quarters. Roll out dough on flour to a thickness of approx. 3 mm. Cut out about 30 flowers (5 cm Ø) and cut out 30 rectangles (about 3 x 5 cm). Place on baking trays covered with baking paper and brush with milk
Separate the egg. Beat the egg white until stiff, adding sugar, spices and juice. Decorate biscuits with meringue tuffs, nuts and almonds, brush almonds with whisked egg yolk. Bake in the hot oven on the 2nd rack from below (electric oven: 150 °C/circulating air: 125 °C/gas: level 1-2) for approx. 20 minutes. Let them cool down