>>215910452
Żurek/Żur it's a sour cereal polish traditional soup made with various types of cereals such as rye, wheat and oats, which are fermented to create a sourdough-like soup base and stirred into a pot of stock which may or may not contain meat such as boiled sausage and bacon, along with other ingredients such as hard-boiled eggs, potatoes and dried mushrooms.
First mentions of this dish in Poland are from XII century.