15-min. Easy Japanese Tuna Onigiri

Name: 15-min. Easy Japanese Tuna Onigiri
Prep time: 15 min
Total time: 15 min
Cuisine: Japanese
Ingredients: 2 sheets nori (or use 1/2 sheet if you prefer less); 1 tsp sesame seeds (for garnishing, optional); 2 cups cooked short grain rice (*if you're making fresh rice, see Notes below); 1/2 tsp salt; 5.29 oz canned tuna (in oil recommended, or canned tuna in water); 2 tbsp Japanese mayo (or regular mayonnaise)

Instructions

Prep:15min

A delicious rice ball stuffed with tuna, mayo wrapped with dry roasted seaweed. This quick and easy Japanese tuna onigiri is made in 15 minutes with only 6 ingredients. Great for breakfast, as a snack, meal, lunchbox item or picnic food!

Updated at: Sun, 01 Feb 2026 20:17:28 GMT