Wash the meat and pat dry. Cut rind crosswise, season meat. Peel onions and chop them roughly. Roast everything on the fat pan in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 2 hours. Pour on the stock little by little
In the meantime, clean and wash the leek and mushrooms. Cut leek into rings. Halve or quarter mushrooms depending on size. Mix honey and beer. Pour over the roast about 15 minutes before the end of the frying time
Sauté the leek in 1 tablespoon of hot butter, cover and cook for about 8 minutes. Fry mushrooms in 1 tbsp. hot butter for approx. 5 minutes. Season to taste leek and mushrooms
Remove the roast. Sieve the stock, bring to the boil. Mix flour and 2-3 tablespoons of cold water, stir into the stock and simmer for about 1 minute. Season the sauce to taste. Arrange everything. Serve with parsley potatoes
Drink: cool dark beer