Twincook is a snack restaurant in Samseong-dong, Gangnam-gu, Seoul, inside Starfield COEX, serving ramyeon, gimbap, tteokbokki and sundae. Its menu also covers sundubu jjigae, kimchi bokkeum bap, ojingeo deopbap and omurice. Self-service udon broth is available, and the gimbap is rolled by machine. The dining space is small and cramped.