Kasseler, wash, dab dry and place on a cold rinsed fat pan. Bake in the preheated oven (electric: 200 °C/ gas: level 3) for 45-55 minutes. Gradually pour on 1/4 litre of hot water. Clean cabbage, remove stalk. Cut cabbage into strips. Peel, quarter, core and cut apples into pieces.
Dice bacon and leave it in a pot without fat. Add cabbage and apples and fry briefly. Add 1/8 litre water and wine and braise for 35-45 minutes. Season cabbage with sugar and salt. Wash parsley, dab dry and chop. Peel onion and chop finely. Mix onion, mustard and half of the parsley. Brush the roast about 15 minutes before the end of the cooking time. Remove the roast from the fat pan at the end of the cooking time, pour the meat through a sieve and fill up to 400 ml with water. Bring to the boil and stir in the sauce thickener. Stir in sour cream, season with salt and pepper. Arrange roast and cabbage on a plate.
Mix onion, mustard and half of the parsley. Brush the roast about 15 minutes before the end of the cooking time. Remove the roast from the fat pan at the end of the cooking time, pour the meat through a sieve and fill up to 400 ml with water. Bring to the boil and stir in the sauce thickener. Stir in sour cream, season with salt and pepper. Arrange roast and cabbage on a plate. Sprinkle with the rest of the parsley. Add sauce
Preparation time approx. 1 1/2 hours minutes