Ttamttam Busan Lotte Department Store Busan Main Branch is an Asian restaurant on the second basement floor of Lotte Department Store in Seomyeon, Busan, serving Vietnamese pho and jjokgalbi. Its signature dish is pho with garlic beef small intestine grilled over charcoal, served with a garlicky broth and mung bean sprouts. A waiting line forms even on weekdays. Prices are higher than at other pho shops, and the taste does not match its reputation.