Warm the milk lukewarm. Crumble the yeast, mix with 1 teaspoon sugar and milk. Leave in a warm place for about 10 minutes. Put fat, salt, flour, egg, 3 tbsp. sugar and vanillin sugar in a bowl. Add the yeast mixture and knead with the dough hooks of the hand mixer to a smooth dough.
Cover and leave to rise in a warm place for about 30 minutes. In the meantime, cut the apricots into strips and marinate them in liqueur and orange juice. Coarsely chop the nuts. Knead nuts, apricots and jam. Knead the dough again and roll out into a rectangle (approx. 70 x 45 cm) on a floured work surface. Divide the rectangle into three parts lengthwise. Also divide the filling into three. Place the filling in the middle of each dough rectangle and spread lengthwise, roll up. Weave the 3 pastry rolls into a plait. Place the plait on a baking tray lined with baking paper. Whisk the egg yolk and brush the plait with it. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 30 minutes.
Also divide the filling into three. Place the filling in the middle of each dough rectangle and spread lengthwise, roll up. Weave the 3 pastry rolls into a plait. Place the plait on a baking tray lined with baking paper. Whisk the egg yolk and brush the plait with it. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 30 minutes. Let cool down on a cake rack. Dust with icing sugar and cut into slices
waiting time approx. 2 hours