On Dol the Prime is a Korean barbecue restaurant near Gangnam Station that grills 100 percent vacuum-aged beef. It offers a two-person set that pairs chuck flap with beef and mushroom doenjang jeongol. Guests state their party size at the entrance and are shown to a seat, where staff grill the meat at the table and curtains separate the tables. Naver reservations include a complimentary steamed egg dish, and corkage is allowed.