Káposztaleves

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, with lentils, peas or beans in place of the meat. It may be prepared with different ingredients. Vegetarian cabbage soup may use mushroom stock. Another variety is using a fish stock. There's also a preference to cook cabbage soup using a pork stock. 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 in Ukrainian. It would be щи in Russian, however.

Source: Wikipedia