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Spicy Tuna Yaki Onigiri (Grilled Rice Balls)

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Crispy Japanese grilled rice balls filled with a creamy, spicy tuna mixture and wrapped in savory nori. Perfect as a snack, lunch, or party appetizer with bold flavors and customizable toppings.

  • Total Time: 25 minutes
  • Yield: 4–5 onigiri

Ingredients

    • 2 cups cooked short-grain sushi rice (slightly cooled)
    • 1 can tuna (in water or oil), drained
    • 2 tbsp Japanese mayo (Kewpie preferred)
    • 12 tsp Sriracha (adjust to taste)
    • 1 tsp soy sauce
    • 1/2 tsp sesame oil (optional)
    • Salt, to taste
    • 1 nori sheet, cut into 1-inch strips
    • Neutral oil, for frying

Optional Toppings:

  • Extra Japanese mayo
  • Sriracha or eel sauce
  • Toasted sesame seeds or furikake
  • Chopped green onions or chives

Instructions

  1. Make the Filling: In a bowl, mix tuna with Japanese mayo, Sriracha, soy sauce, sesame oil (if using), and salt. Adjust flavor to taste.
  2. Shape the Onigiri: With wet, salted hands, scoop a small handful of rice and flatten it. Add 1–2 tsp tuna filling in the center and mold into a tight triangle. Repeat with remaining rice and filling.
  3. Grill the Onigiri: Heat oil in a skillet over medium heat. Fry onigiri 2–3 minutes per side until golden and crispy. Brush lightly with soy sauce before removing from pan.
  4. Serve: Wrap each rice ball with a strip of nori. Optionally drizzle with mayo, Sriracha, or eel sauce, and garnish with sesame seeds or green onions. Serve warm or at room temperature.

Notes

  • For a non-spicy version, omit the Sriracha.
  • Swap tuna for canned salmon, cooked chicken, or even mashed chickpeas for a vegan option.
  • For a baked version, bake at 400°F (200°C) for 15–18 minutes instead of pan-frying.
  • Add a cube of cheese inside for a melty surprise.
  • Enhance the filling with miso paste or yuzu kosho for deeper flavor.
  • Author: Amelia
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Snack / Appetizer
  • Method: Pan-Frying / Grilling
  • Cuisine: Japanese

Nutrition

  • Serving Size: 1 onigiri
  • Calories: 210
  • Sugar: 1g
  • Sodium: 280mg
  • Fat: 9g
  • Saturated Fat: 1.5g
  • Unsaturated Fat: 6.5g
  • Trans Fat: 0g
  • Carbohydrates: 24g
  • Fiber: 1g
  • Protein: 10g
  • Cholesterol: 15mg