Peel and chop the onions. Fry in hot oil in a pot. Dust with sweet paprika. Add sauerkraut and oregano. Pick the sauerkraut apart and fry while turning. Deglaze with 1/8 l water. Bring to the boil, cover and stew for about 15 minutes. Season to taste
Fry the meat in portions in a pan without fat for 5-8 minutes while turning. Grate cheese. Mix with cream and sour cream
Pour the sauerkraut into a greased casserole dish (approx. 30 cm long). Spread meat on top and pour sour cream over it. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 25-30 minutes. Garnish if necessary. Served with: boiled potatoes or rice