Despite the crowds, the samgyetang arrives fast and still bubbling. Tip some salt and pepper together into a small saucer and use it as a dip. This 30-year-old icon is housed in a sprawling hanok (traditional house), and for many locals – and even ex-presidents – it’s the best in Seoul. Black chicken samgyetang is W19,000. Walk straight for 100m from Exit 2, turn left at the GS25 convenience store and it’s on your left.