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Japanese Tuna Onigiri

Japanese Tuna Onigiri: The Easy to Make Japanese Food You’ll Love


  • Author: Lyndy
  • Total Time: 45 minutes
  • Yield: 6 onigiri 1x

Description

These Japanese Tuna Onigiri are creamy, portable rice balls filled with a savory tuna mayo mixture and wrapped in nori. A beloved staple of Japanese food culture, they’re quick, budget-friendly, and perfect for school lunches, breakfasts, snacks, or easy meal prep at home.


Ingredients

Scale
  • 2 cups Japanese short-grain rice (sushi rice), cooked
  • 1 can (5 oz) tuna, drained
  • 2 tbsp Japanese mayonnaise (or regular mayo)
  • 1 tsp soy sauce
  • Nori (seaweed sheets), cut into strips
  • Salt, for seasoning rice and hands
  • Optional: sesame seeds or furikake for garnish

Instructions

  1. Cook rice: Prepare Japanese short-grain rice and let it cool slightly until warm.
  2. Mix filling: Combine drained tuna, mayonnaise, and soy sauce in a bowl until creamy.
  3. Shape onigiri: Wet hands with water, sprinkle with salt, and flatten 1/2 cup rice into a disk. Place a spoonful of tuna filling in the center and fold rice around it.
  4. Form shape: Gently press into a triangle or ball, applying light but firm pressure.
  5. Wrap with nori: Add a strip of nori around the rice ball.
  6. Serve: Enjoy immediately or wrap in plastic for later. Best consumed within a few hours if unrefrigerated.

Notes

  • Use Japanese short-grain rice for best stickiness and texture.
  • Season hands with salt to prevent sticking and lightly flavor the rice.
  • Don’t overfill with tuna mayo to keep onigiri intact.
  • Use fresh, crisp nori for best taste and texture.
  • For meal prep, freeze without nori and add seaweed fresh when reheating.
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes (for rice)
  • Category: Snack, Lunch
  • Method: No-Cook Assembly
  • Cuisine: Japanese

Nutrition

  • Serving Size: 1 onigiri

Keywords: Japanese tuna onigiri, Tuna mayo rice balls, Easy Japanese lunch ideas, Onigiri recipe, Portable Japanese food