Doyajjambbong is a jjambbong restaurant in Cheonan. It serves beef jjambbong and white jjambbong, along with jaengban jjajang, bulgogi japchae rice, and mini tangsuyuk. Bowls of rice are unlimited, and coffee is available in the store. Descriptions of the broth's taste conflict, with some calling it rich and others saying it lacks depth.