These classic tuna onigiri are delicious, stuffed rice balls that are perfect for a snack or a quick lunch. With creamy tuna mayonnaise filling and a touch of nori, they are not only practical but also a flavor highlight.

Onigiri are comforting Japanese rice balls with a tender, lightly salted exterior and a sharp, savory-sour umeboshi center. Wrapped with a strip of crisp nori, they are simple, satisfying, and ideal for a quick meal or snack.