White Barszcz Zurek (Sour Bread Soup): Żur (Polish: żur, diminutive: żurek) is a soup made of soured rye flour (akin to sourdough) and meat (boiled po Stock Photo - Alamy
Traditional polish sour soup Zurek in bread, selective focus Stock Photo - Alamy
Polish Sour Rye Soup Recipe - Zurek - My Omni Kitchen
White Barszcz Zurek (Sour Bread Soup) | The Splendid Table