Vegetables and potatoes clean and/or peel, wash and, up to 1 potato, roughly dice. Peel onions and garlic. Chop both
Heat the oil in a large pot. Brown the onions and garlic. Sauté the prepared vegetables in it in portions. Add all the vegetables. Sprinkle with paprika powder and sauté briefly. Deglaze with 3/4-1 l water. Bring to the boil, stir in stock. Wash and add herbs. Simmer everything open for about 20 minutes.
After about 10 minutes, rub in the remaining potatoes to bind them. Season to taste with salt, pepper and lemon peel. Arrange the goulash with sour cream