Kielbasa, or Polish sausage, is a staple of Polish cuisine and can be found in many restaurants and markets in Krakow. It is typically made from pork, beef, or a combination of both, and is seasoned with various spices. Kielbasa can be grilled, fried, or boiled, and is often served with sauerkraut, mustard, or bread. It is a hearty and flavorful dish that is loved by locals and visitors alike.