Wash the potatoes and cook in boiling water for about 25 minutes. Meanwhile, for the meat filling, wash the tomatoes, quarter them, remove seeds and finely dice the flesh. Peel onion and garlic and dice finely. Mix tomato pulp, salt, pepper, onion and garlic
Wash the meat, dab dry, cut a pocket into each cutlet from one side with a sharp knife. Season the inside with salt and pepper. Refrigerate the meat. Drain potatoes, quench briefly, remove skin. Press the hot potatoes through a potato press. Season with salt, pepper and nutmeg. Stir in semolina with a mixing spoon. Let the potato mixture rest for about 10 minutes
Wash parsley and chives, shake dry and chop finely. Stir 40 g starch and egg yolks into the potato mixture. Mix in herbs, up to 1 teaspoon for garnishing, and let cool completely
Form potato dough into rolls on a floured work surface. Cut into about 40 pieces and form small oval dumplings. Press one side slightly with a fork
Place 2-3 portions in plenty of boiling salted water. Cook over low to medium heat for 5-7 minutes (do not boil). Remove with a skimmer, drain well and keep warm
At the same time fill the tomato-onion mixture into the meat pockets, put the remaining tomato filling aside for garnishing. Stick the meat together with a wooden skewer. Heat the oil in a large pan and fry the meat on each side for 3-4 minutes at medium heat. Take out and keep warm
Sprinkle the roasting set with sugar, let it caramelize briefly, deglaze with stock and vinegar, season with salt and pepper. Bring to the boil and simmer for 2-3 minutes. Stir 1 tsp. starch and 2-3 tbsp. water until smooth. Stir into the boiling liquid, bring to the boil again and simmer for about 1 minute
Sprinkle a schnitzel, some sauce with meat filling put aside and arrange gnocchi on plates. Sprinkle gnocchi with chives and garnish
Waiting time approx. 40 minutes