Ttamttam Lotte Department Store Jamsil is a Vietnamese pho restaurant in the food section of Lotte Department Store Jamsil in Songpa-gu, Seoul. Its signature dish is spicy beef gopchang pho, and even level one of four is spicier than Shin Ramyun. Food takes more than 10 minutes to arrive after ordering, and bean sprouts, noodles, and broth can each be refilled once for free. The department store food court is crowded at lunch and dinner, creating a wait.