Onions peel, halve and cut into strips. Wash the meat, pat dry, season with mustard, salt and pepper
Heat the oil in a large frying pan. Fry the meat well in it. Take out. Fry onions in hot frying fat. Add meat, 1 l water, stock and bay leaf. Cover and cook in a hot oven (electric cooker: 200 °C/recirculating air: 175 °C/gas: level 3) for 2-2 1/2 hours, turning once
Clean the salad, wash and drain well. Pluck leaves small. Mix sour cream, sugar and lemon juice. Mix with the salad
Take out the meat. Stir flour and 100 ml cold water until smooth. Thicken the roast stock with it, season to taste. Arrange everything. Serve with boiled potatoes and young carrots
Drink: cool beer, e.g. Jubilate from Pinkus, and ice-cold grain, e.g. from Dwersteg