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Onigiri (Japanese Rice Balls) Recipe

Onigiri (Japanese Rice Balls) Recipe

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  • Author: Villerius
  • Prep Time: 30 minutes
  • Cook Time: 30 minutes
  • Total Time: 1 hour
  • Yield: 9 onigiri (13 with a mold) 1x
  • Category: Side Dish
  • Method: Rice Cooking, Mixing, Shaping
  • Cuisine: Japanese
  • Diet: Vegetarian

Description

Learn how to make delicious Japanese Onigiri rice balls with various tasty fillings such as salted salmon, tuna mayo, umeboshi, and more. A perfect snack or addition to a bento box!


Ingredients

Units Scale

For the Steamed Rice

  • 2 1/4 cups uncooked Japanese short-grain white rice (3 rice cooker cups; 540 ml)
  • 2 1/2 cups water (600 ml)

For the Onigiri

  • Diamond Crystal kosher salt
  • 3 sheets nori (dried laver seaweed)

For the Japanese Salted Salmon Filling (quick version)

  • 12 fillet salmon
  • Diamond Crystal kosher salt

For the Okaka Filling

  • 1 packet katsuobushi (dried bonito flakes) (one packet is typically 3 g or 5 g)
  • 1 Tbsp soy sauce

For the Tuna Mayo Filling

  • 1 (5-ounce) can albacore tuna (preferably packed in olive oil)
  • 2 Tbsp Japanese Kewpie mayonnaise
  • 1/2 Tbsp soy sauce

For the Other Fillings

  • 2 umeboshi (Japanese pickled plum)
  • 2 sacs spicy salted pollock roe or cod roe (karashi mentaiko)
  • shio kombu (prepared)
  • furikake (rice seasoning)

Instructions

  1. To Prepare the Steamed Rice

    Overfill a cup measure with uncooked rice, rinse, and cook with water. Let it cool.

  2. To Prepare the Onigiri Fillings

    Prepare various fillings like salted salmon, okaka, tuna mayo, umeboshi, mentaiko, and shio kombu.

  3. To Shape the Onigiri

    Use molds, hands, or plastic wrap to shape rice balls with fillings. Garnish with furikake and nori.

  4. To Coat with the Furikake

    Coat the onigiri with rice seasoning for added flavor.

  5. To Wrap with the Nori and Serve

    Wrap the onigiri with nori strips or sheets before enjoying warm or at room temperature.

  6. To Store

    If packing for later, keep cool and consume within 6 hours to avoid rice hardening.


Notes

  • For traditional salted salmon, refer to the Japanese Salted Salmon recipe.
  • Use moistened hands to shape onigiri to prevent sticking.
  • Adjust fillings and seasonings to taste.

Nutrition

  • Serving Size: 1 onigiri
  • Calories: Approx. 150 calories
  • Sugar: Varies based on fillings
  • Sodium: Varies based on fillings
  • Fat: Varies based on fillings
  • Saturated Fat: Varies based on fillings
  • Unsaturated Fat: Varies based on fillings
  • Trans Fat: Varies based on fillings
  • Carbohydrates: Varies based on fillings
  • Fiber: Varies based on fillings
  • Protein: Varies based on fillings
  • Cholesterol: Varies based on fillings