Wash the potatoes and cook covered for about 20 minutes. Mix sauce powder, 1 tablespoon sugar and 3 tablespoons milk. Boil up the rest of the milk and stir in the sauce powder. Bring to the boil again and continue cooking for about 1 minute. Let it cool down
Peel the potatoes and press them through the press while still hot. Knead with 50 g flour, egg yolk, 1 tsp butter and 1/2 tsp salt. Let rest for about 15 minutes. Drain the apricots
Form the dough into a roll on a little flour, cut into 8 slices. Fill 2 apricot halves each with 1 sugar cube. Wrap each half in a piece of dough and form into a dumpling. Cook in plenty of boiling salted water for about 10 minutes
Heat 1 tablespoon of butter. Fry breadcrumbs and 1 tablespoon sugar in it. Roll dumplings in it. Serve with vanilla sauce. Sprinkle with icing sugar and pistachios