How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri)?

You need 5 ingredients. The key ingredients include: 1 can tuna, 2 tablespoons mayonnaise, 1 1/2 cups cooked Japanese rice, 4 tablespoons soy sauce, and more.

Is Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri) suitable as seafood?

Yes, Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri) falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri)?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna

Name: Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri)
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 can tuna; 2 tablespoons mayonnaise; 1 1/2 cups cooked Japanese rice; 4 tablespoons soy sauce; 1/2 teaspoon butter

Try this homemade Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri) recipe the whole family will love. Made with tuna, mayonnaise, cooke…

This Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri) relies on simple, everyday ingredients such as tuna, mayonnaise, cooked japanese rice and soy sauce. It comes together quickly and makes 4 servings, at about 429 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Servings: persons

1 can tuna
2 tablespoons mayonnaise
1 1/2 cups cooked Japanese rice
4 tablespoons soy sauce
1/2 teaspoon butter

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
429 kcal
Category
Seafood

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Japanese Tuna Grilled Rice Balls ("ツナ"焼きおにぎり - Tuna Yaki Onigiri)

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