Clean the cabbage, wash it and divide it into florets. Wash the fillets and pat dry. Season with salt and pepper. Wrap diagonally with bacon. Fry fillets in hot oil all around for about 8 minutes. Take them out and put them in an ovenproof dish
Peel and finely chop the onion. Sauté in hot frying fat. Sprinkle with flour and sauté while stirring. Deglaze with the stock and cream while stirring. Bring to the boil and simmer for 2-3 minutes. Finally stir in mustard. Season to taste with salt and pepper
Pour about 1/3 of the sauce over the fillets. Crumble the toast finely and sprinkle over the fillets. Spread 1/3 of the butter in flakes on top. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for 15-20 minutes
Cook the cauliflower in a little salted water covered with milk for 15-20 minutes. Steam Romanesco in a little salt water covered with milk for 8-10 minutes. Add broccoli after about 3 minutes and cook. Drain the vegetables and season slightly with nutmeg. Foam the remaining butter and spread it over the cabbage florets
Remove the fillets from the sauce and keep warm. Heat the rest of the sauce again. Arrange pork loin, cabbage florets and sauce. Garnish with chervil and lemon wedge as desired. Roast potatoes taste good with it