Knödel (pronounced [ˈknøːdl̩] (listen); sing. and pl.) or klöße (pronounced [ˈkløːsə] (listen); sing. kloß) are boiled dumplings commonly found in central european and east european cuisine. central european countries in which their variant of knödel is popular include austria, germany, hungary, poland, romania, bosnia, croatia, serbia, slovenia, slovakia, bulgaria and czechia. they are also found in scandinavian, romanian, north-eastern italian cuisine, ukrainian and belarusian cuisines. usually made from flour, bread or potatoes, they are often served as a side dish, but can also be a dessert such as plum dumplings, or even meat balls in soup. many varieties and variations exist.

Source: Wikipedia