Wash the meat, dab dry and cut into strips. Peel and chop the onion. Clean and clean the mushrooms and cut into slices. Heat oil in a pan. Brown the meat in it in portions, take it out.
Season with salt and pepper. Fry the mushrooms and onion in hot frying fat. Add meat again. Sprinkle with 1 tablespoon of flour and sauté briefly. Deglaze with wine and cream, bring to the boil and season to taste with salt and pepper.
Pour into 4 ovenproof bowls (350-400 ml capacity each). Wash, peel and roughly grate the potatoes. Mix with egg and 1 tablespoon flour. Season with salt. Spread the mixture over the shredded potatoes.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes.