Tuna Onigiri are simple rice balls with a special place in Japanese cuisine. Today, we're making a classic: tuna mayo onigiri. These creamy, savory rice balls are wrapped in a crisp sheet of nori, ...

Using calcium, Yokotaya Honten has printed tidbits about fish and shellfish caught in this seaside city on nori sheets. The product, called Osakana Zukan Nori (Fish picture book nori), has been a hit.