KOYO rice cakes have been produced in Montreal since 1981. The recipe has remained the same over the years, using premium quality whole-grain brown rice. Healthy and fat-free, this snack is naturally gluten-free. KOYO rice cakes are also popular for their versatility: enjoy them with almond butter for a light, creamy snack. breakfast Apply a little Tamari for a tasty snack, or use them to replace pizza crust at dinner.