Located in a trendsetting part of the city dominated by state-of-the-art fashion, this restaurant has stood its ground for 30 years with a humble dish that has wooed the palates of countless people — dumpling soup. Mandujip specializes in Pyeongando-style dumplings, filled with minced beef, bean curd, mung bean sprouts, green onions and sesame oil. Each order comes with six large dumplings in a clear, flavorful beef broth made with chunks of brisket.