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Spicy Tuna Onigiri recipe on a plate with masago sauce.
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5 from 1 vote

Spicy Tuna Onigiri

A Simple and delicious recipe for Spicy Tuna Onigiri! This tasty handheld delight can be eaten as a quick snack or grab and go lunch for busy days!
Prep Time15 minutes
Total Time15 minutes
Course: Appetizer, lunch, main dish, Snack
Cuisine: Japanese
Diet: Gluten Free
Servings: 4
Calories: 541kcal
Author: Teri & Jenny

Equipment

Ingredients

masago sauce

  • 1/2 cup Kewpie (or American mayonnaise)
  • 2 tablespoons masago
  • 1 tablespoon Sriracha
  • 1/2 lime juiced

filling

  • 8 ounces high quality raw tuna minced
  • 3 tablespoons kewpie (or American Mayonnaise)
  • 1 1/2 tablespoons Sriracha
  • 1 tablespoon soy sauce

rice and assembly

  • 3 cups steamed short grain rice warm
  • 2/3 cup furikake seasoning
  • 8 1.5"x 3" pieces nori
US Customary - Metric

Instructions

masago sauce

  • Place all ingredients into a mixing bowl and stir together. Set aside.

filling

  • Place all filling ingredients into a mixing bowl and mix together until everything is completely combined.

assembly

  • Press 1/4 cup rice into the bottom of an onigiri mold.
  • Create a tablespoon sized divet in the center of the rice and fill with a scoop of tuna filling.
  • Top the tuna and rice with an additional 2 to 3 tablespoons rice and firmly press with the onigiri mold top.
  • Unmold the onigiri and wrap a piece of nori around the bottom center side of the triangle.
  • Press the sides of the onigiri into the furikake seasoning. Repeat with remaining ingredients. Serve.

Notes

**Recipe Makes 8 Small Onigiri - Each Serving Size is 2 Onigiri**
Tips and Tricks for Onigiri Success
  • Use a short or medium grain sticky rice to ensure your rice balls will stick together.
  • Don't skip out on the sauce! - Most of the time you do not get a sauce for onigiri, but we think this simple masaho sauce pairs perfectly with the rice balls and make our recipe just a little bit special.
  • Don't overfill the rice balls! It may be tempting to maximize the filling for these rice balls, but if you overstuff them they will easily fall apart!
  • Alternatively, don't use too much rice, so there's still enough room for filling (it's a balancing act between rice and filling)!

Nutrition

Calories: 541kcal | Carbohydrates: 42g | Protein: 19g | Fat: 32g | Saturated Fat: 5g | Polyunsaturated Fat: 18g | Monounsaturated Fat: 8g | Trans Fat: 0.1g | Cholesterol: 64mg | Sodium: 740mg | Potassium: 234mg | Fiber: 0.3g | Sugar: 1g | Vitamin A: 1334IU | Vitamin C: 10mg | Calcium: 15mg | Iron: 3mg