Cabbage soup has part(s) stock
Cabbage soup may refer to any of the variety of soups based on various cabbages, or on sauerkraut and known under different names in national cuisines. Often it is a vegetable soup. It may be prepared with different ingredients. Vegetarian cabbage soup may use mushroom stock.  Another variety is using a fish stock. Traditional cabbage soup is prepared using a pork stock.In national cuisines
Cabbage soup is popular in Russian,  Polish, Slovak and Ukrainian cuisine. It is known as kapuśniak or kwaśnica in Polish, kapustnica in Slovak, and капусняк (kapusniak) in Ukrainian. It is also found in Czech (zelňačka or zelná polévka), German (Kohlsuppe or Krautsuppe), French (soupe aux choux) cuisine, Finnish (kaalikeitto) and Swedish (kålsoppa) cuisine.
The Swedish cabbage soup is usually made from white cabbage, which is browned before being boiled, and seasoned with generous amounts of allspice and sometimes served with boiled meatballs.A variety of the soup called shchi (Russian: щи) is a national dish of Russia. While commonly it is made of  cabbages, dishes of the same name may be based on dock, spinach or nettle. The sauerkraut soup is called "sour "shchi, as opposed to "fresh cabbage shchi".
In most of Latvia sauerkraut soup (Latvian: skābu kāpostu zupa) is made with sauerkraut, potatoes, carrots and groats, but the region in Latgale only sauerkraut and bacon is used.Traditional kapuśniak preparation
Drained and chopped sauerkraut is cooked in water with chopped pork, pieces of kielbasa and a bit of salt until the meat is almost tender. Instead of meat, a ready broth is also used. Afterwards, diced potatoes and carrots are added and boiled until they are cooked. Tomato paste and spices may be added. In some regions the soup is served with added flour and butter. A lean kapusniak is cooked with roots and fungi.
Kapuśniak is served hot, in some regions with sour cream and sprinkled with chopped parsley and dill.
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