A dessert trend that began behind cafe counters is now breaking out — and reshaping Korea’s retail market. Known as "Dujjonku" — short for “Dubai chewy cookie” — the treat has become an instant sell-out at convenience stores and has even begun appearing on the dessert menus at luxury hotels. At Pierre Gagnaire à Séoul, a French restaurant at Lotte Hotel Seoul in central Seoul, dujjonku-inspired petit four are being offered as the dessert for all course menus through February, according to the hotel industry on Tuesday. The dish substitutes kataifi — thin Middle Eastern pastry strands that have become difficult to source amid the trend — with Pailleté Feuilletine, a crispy crepe flake offering a similar texture. Pistachio is added, before the dessert is wrapped in a thin marshmallow layer and finished with cocoa powder. “For hotel restaurants, which are typically slow to reflect trends, to release something this quickly shows how strong the dujjonku craze has become,” a hotel industry official said. Dujjonku is a Korean reinterpretation of the Dubai chocolate trend t