Put flour, fat, nuts, sugar, egg, vanilla sugar and salt into a mixing bowl, knead with the dough hooks of the hand mixer and then work into a smooth dough with your hands. Cover and put in a cool place for approx. 20 minutes. In the meantime, wash and stone the plums thoroughly. Roll out the shortcrust pastry thinly on a floured work surface and cut out circles with a mould. Place circles in greased baking trays (12 cm Ø, with removable base). Prick the pastry base several times with a fork, spread with plum jam and cover with plums.
Mix marzipan, egg and icing sugar to a spreadable mixture. Pour into a piping bag with a star-shaped spout and spray the grid on the cakelets. Bake in the preheated oven (electric oven: 200°C/ gas: level 3) for 30 minutes. Take out of the moulds and let cool down. Sprinkle with icing sugar. Results in 9 pieces