Uiro: Nagoya's Steamed Rice Cake Souvenir

Uiro is a steamed cake made from rice flour and sugar, with a dense, chewy, slightly translucent texture closer to mochi than Western cake. Several regions across Japan claim their own uiro tradition, but Nagoya's version is one of the most widely recognized, sold in stick or block form and strongly tied to the city as a travel souvenir. Its name is thought to derive from an old medicine of the same name, though the confection itself has no medicinal connection today.

Plain uiro has a mild, faintly sweet rice flavor, but common variations include matcha, black sugar (kuro), sakura, and red bean, each tinting the cake a different color. It's usually sliced into small pieces and eaten with tea rather than as a full dessert portion, and its firm, sealed texture makes it travel well, which is why it's such a common omiyage (souvenir gift) bought at Nagoya's train station before heading elsewhere in Japan.