Soak the buns. Wash potatoes and cook covered for 18-20 minutes. Clean or peel and wash the vegetables. Dice carrots, cut cabbage into pieces. Cook the vegetables covered in about 3/4 l boiling salted water for about 10 minutes. Drain, collect the vegetable water and measure 1/2 l
Peel and finely chop the onion. Knead with minced meat, squeezed bread roll, egg, salt, pepper and mustard. Form small dumplings from it. Fry in hot oil all around for about 5 minutes
Heat the fat. Sweat flour in it. Stir in vegetable water and cream. Bring to the boil and simmer for about 5 minutes. Wash and pluck the herbs and stir into the sauce. Season to taste with salt and pepper
Quench and peel the potatoes. Layer with vegetables and dumplings in a greased casserole dish. Pour sauce over it and grate cheese over it. Bake in a preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 15 minutes
Drink: cold beer or cider