Linkage Burger sits at the entrance of Yeonhui-dong in Seoul and specializes in handmade burgers made with juicy patties and soft buns. Its main menu items are the Linkage Burger and the Double Cheese Burger, which bring out the savory flavor of cheese. A clean open kitchen lets diners watch the burgers being made. The potato fries and sweet potato fries are fried to order and served crispy.