Peel, wash and finely dice the potatoes. Heat 1 tablespoon of oil in a saucepan. Brown the potatoes in it. Add soup vegetables, deglaze with broth, bring to the boil and cook over a low heat for about 15 minutes. Heat 1 tablespoon of oil in a pan. Press the sausage meat as dumplings from the skin into the pan and fry all around for about 5 minutes.
Wash and finely chop the parsley. Beat the egg. Season soup with salt and pepper. Stir the egg into the soup. Add dumplings, sprinkle with parsley and serve