Drain the peppers. Peel onions. Finely dice 3 onions and paprika. Fry in 1 tbsp. hot oil. Stir in tomato paste, sweat it. Season to taste with salt and cayenne pepper. Let cool off
Wash the rosemary, shake dry. Spread the meat with the paprika-onion filling, roll it up and bind it firmly, tucking rosemary in. Season roast with salt and cayenne pepper
Quarter 1 onion. Fry the meat in 1 tbsp. hot oil in a roasting pan until it is firm all around. Fry the onion briefly. Add 3/8-1/2 l water. Roast open in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 50-60 minutes, scoop the meat stock more often
Briefly sauté the sauerkraut in a saucepan without fat. Add apple juice, 1/8 l water, bay leaf, caraway and stock. Bring to the boil, cover and stew for about 30 minutes
Keep the roast warm. Stir the starch and a little water until smooth. Thicken the stock with it and simmer briefly. Season to taste with salt and pepper. Season to taste with sauerkraut. Arrange everything. Served with: Boiled potatoes