Wash the meat, dab dry and cut into large cubes. Clean, wash and quarter cabbage and cut into wide strips from the stalk. Clean the mushrooms, possibly wash and quarter them. Peel and halve onions and cut into strips.
Peel garlic and chop finely.
Heat the oil in a large pot. Brown the smoked pork loin all around, remove. Brown cabbage, mushrooms, onions and garlic in the frying fat. Season with salt, pepper, 2 tsp. caraway and 3 tsp. paprika.
Stir in the tomato paste, sweat briefly. Sprinkle with flour, also briefly sauté. 1 1⁄4-1 1⁄2 Pour on one l water, stir in vegetable stock. Add the meat again, bring everything to the boil and braise covered for about 30 minutes.
Meanwhile wash parsley, shake dry, pluck leaves and chop finely. Season soup with salt, pepper, vinegar and 1 pinch of sugar. Sprinkle with parsley and serve.