But they aren’t common in North Korea: there, the most popular street food is injo gogi bap (artificial meat rice), tofu bap (rice) and soondae (Korean traditional sausages). Blood sausages known as soondae are a popular North Korean street food dish. Photograph: Chun Yip So/flickr. Injo gogi would be called soy sausages in South Korea and western countries, and they derive from a difficult period in the country’s history.