Shake Shack introduces new Korean-inspired items with gochujang and kimchi Sign In Leeanne Griffin FacebookTwitterEmail 1of5 Shake Shack’s new Korean-inspired items include a fried chicken sandwich with gochujang and kimchi, and chicken bites and fries with gochujang mayo sauce.Christine Han / Shake ShackShow MoreShow Less 2of5 Shake Shack’s new Korean-inspired items include a fried chicken sandwich with gochujang and kimchi; chicken bites and fries with gochujang mayo sauce, and a black sugar vanilla shake.Courtesy of Shake ShackShow MoreShow Less 3of5 4of5 5of5 Shake Shack has introduced a little Seoul to its menu nationwide, with a new Korean-inspired fried chicken sandwich, chicken bites and fries featuring gochujang sauce and kimchi.