O.BBa Jjajang is a Chinese restaurant on Tanjong Pagar Road in Singapore that serves Korean-style jjajangmyeon, jjamppong and tangsuyuk. The menu centres on jjajangmyeon, jjamppong and chapssal tangsuyuk, and also includes gopchang jjamppong, rosé tteokbokki and cheese egg steamed. The second floor has room-style seating and is large and open. A wait forms at peak times, so it is better to book in advance.