For the dough, knead the fat in flakes, sugar, egg, flour, vanillin sugar and almonds into a smooth dough. Wrap in foil and chill for about 30 minutes. Then roll out to a thickness of approx. 3 mm on a floured work surface. Cut out approx. 60 round, square and heart-shaped cookies with wavy edges. Cut out another small motif from half of the cookies. Cool again for about 30 minutes. Spread all cookies with whisked egg yolk.
Sprinkle the cookies with pine nuts, flaked almonds or sugar crystals. Bake in the preheated oven (electric cooker: 175 °C/ gas: level 2) for about 10 minutes. Let cool off. Warm up the jam and pass through a sieve. Dust additional cut out cookies with icing sugar. Spread the remaining cookies with the jam. Place cookies dusted with icing sugar on top
Waiting time approx. 60 minutes