Wash the meat and dab dry. Roughly dice pork shoulder and fillet. Clean or peel, wash and chop the soup greens
Wash parsley and thyme and chop finely. Peel garlic and press it through a garlic press. Mix everything with Riesling, salt, pepper, bay leaf and 1 pinch of coriander. Mix all the meat and soup greens with it and marinate covered in the refrigerator for approx. 24 hours
Peel, wash and slice the potatoes. Peel onions and cut into fine rings. Drain the meat, catching the marinade. Layer everything in a large roasting pan, finishing with potatoes. Pour marinade over it
Cover and cook in a preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for about 2 hours. Season to taste with salt and pepper
Drink: cool semi-dry Riesling, e.g. Kabinett by Robert Weil