Clean and wash spring onions. Cut spring onions and cucumbers into slices
Wash the meat, pat dry and cut into strips. Heat oil in a large pan. Brown the meat in it in portions. Place all the meat in the pan and season. Dust with flour and sauté. Stir in 1/4 l water and stock. Bring to the boil and simmer for about 5 minutes. Stir in sour cream, spring onions and gherkins. Season to taste with mustard, salt and pepper. Pour into a greased casserole dish
Wash the parsley and chop it except for something to garnish. Peel, wash and roughly grate the potatoes. Mix with parsley and egg, season. Immediately spread on the meat and bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 45 minutes. Garnish
Drink: cool white wine