Put the grid and a flat roaster in the oven, preheat the oven (electric stove: 125 °C). Wash meat, pat dry and tie up with kitchen string if necessary. Heat 25 g clarified butter in a large pan. Sauté the veal nut in it for 8-10 minutes while turning it, season well with salt and pepper. Place in the preheated roaster and insert a roast thermometer so that the metal tip is completely in the meat core. Place the roaster on the rack in the oven. Turn down the temperature (electric cooker: 100 °C). Cook veal nut for approx. 3 hours (core temperature 62-65 °C)
Peel and chop the onion. Sauté onion in the frying pan for 1-2 minutes. Deglaze with veal stock and simmer for 5-10 minutes until almost halfway through. Pour the stock through a fine sieve into a pot, bring to the boil again. Mix starch and a little cold water, stir into the stock and simmer for 1-2 minutes. Season to taste with salt and pepper, set aside
Heat about 35 g of clarified butter in portions in a large coated pan. Put 4 small heaps of potato mixture into the pan (approx. 1 tbsp. each), flatten and fry until golden brown, turning according to the package instructions. Place the finished Rösti on a baking tray lined with baking paper. Fry 2 more portions of Rösti one after the other
Wash herbs, shake dry, pluck off leaves. Chop the parsley, cut the basil into fine strips. Mix the herbs, cover and chill
Clean carrots and fairy tubs, leaving short, green stalks. Peel, wash and drain the vegetables. Cut the tubs into slices. Cover the vegetables and stew them in a large pot with a little boiling salted water for 8-10 minutes.
Caramelise the sugar in the vegetable pot until golden. First add butter, then vegetables and 3-4 tablespoons of vegetable water. Heat the vegetables while turning them. Season with pepper
Remove meat from the oven. Turn the temperature up (electric cooker: 225 °C). Place the baking tray with the Rösti in the oven and heat for approx. 10 minutes. Pour the gravy through a sieve and bring to the boil. Remove the roast thermometer from the roast. Put the herbs on a plate. Turn the roast, cut into slices and arrange on a large plate with the caramelized vegetables. Add potato rösti and sauce