Yaki Onigiri - Catherine Zhang (2024)

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Fragrant grilled Japanese rice seasoned with seaweed and grilled with a brushing of savory soy sauce, the perfect yaki onigiri

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  • What is yaki onigiri?
  • Ingredients
  • Frequently Asked Questions
  • 📖 Recipe
  • 💬 Comments

What is yaki onigiri?

Yaki onigiri directly translates to grilled rice ball in English, which is exactly what it is. These Japanese grilled rice balls are toasted over a grill or in a frypan until the outside is crispy and brushed in soy sauce for a salty, savory touch. Sometimes they are also brushed with miso or unagi sauce!

The inside is typically plain fluffy white rice, but you can fill it with whatever filling you like.

These ones are filled with mozzarella cheese for a fun, cheesy pull. I've also seasoned the rice with some furikake. Furikake is a Japanese seaweed seasoning used in rice, which gives it a delicious flavor.

Yaki Onigiri - Catherine Zhang (1)

Ingredients

  • Short-grain rice: Make sure you use short-grain rice as this kind of rice is slightly stickier and easier to work with than regular medium, long-grain, or jasmine rice. Just search for sushi rice at your local supermarket!
  • Water: You can't skip water when you cook the rice!
  • Furikake: This is optional, but I like to add some of this seaweed seasoning to the rice for a delicious umami flavor. If you don't have any feel free to leave it out, it's not essential. You can also use sesame seeds or seaweed flakes as a substitute!
  • Soy sauce: Soy sauce gives the rice balls that salty, savory flavor! Some people even use seasoned soy sauces like teriyaki sauce, unagi sauce, or mentsuyu for a different flavor.
  • Mozzarella cheese: This is totally optional, but a delicious stretchy surprise when you bite into your rice ball.
Yaki Onigiri - Catherine Zhang (2)

Frequently Asked Questions

How long do these last?

These are best when freshly grilled. At this point the rice is crispy, the inside is fluffy and warm and if you used cheese it will be melted and super stretchy. You can store any leftovers in an airtight container in the fridge for up to 2 days.

What should I cook these on?

I cooked these on a charcoal grill as this gives them a delicious smoky flavor. However, you can cook these over the stovetop in a regular frying pan greased with oil, or a cast iron pan for a super crispy crust.

Can I make these ahead of time?

Yes, you can! You can make and shape the onigiri beforehand, then when you're ready to serve just grill and brush with soy sauce.

Yaki Onigiri - Catherine Zhang (3)

What to serve yaki onigiri with?

Yaki onigiri is typically served as a bar food at izakayas as they make a great accompaniment with various grilled meats and the saltier side dishes you usually get at bars.

I like to serve these alone as a quick snack, or for lunch in a bento box. Or as an accompaniment to a homemade Japanese bbq!

How to reheat yaki onigiri?

If you have any leftover onigiri you can heat them up for a couple of seconds in the microwave, over a grill, or in the air fryer! Don't heat them up for too long as the rice will get dry and hard.

Can I fill these?

You definitely can! Filled onigiri is a staple in so many Japanese homes and convenience stores. Here are a couple of my favorite fillings:

  • Tuna and mayo
  • Imitation crab meat and mayo
  • Pickled plum
  • Salmon
  • or just your favorite kind of protein!
Yaki Onigiri - Catherine Zhang (4)

Let's Get Cooking

If you already loved onigiri, you're gonna fall in love with them even more now. Fill these Japanese rice balls up with your favorite toppings and grill them for a treat you'll love!

If you liked this recipe make sure to leave me a comment and rating down below, I would love to know how you went.

Also, don't forget to tag me on Instagram@catherine.dessertsand hashtag #cattycakes so I can see and share your desserts. Follow me onFacebook,Pinterest,Youtube,andTikTokfor more of my baking creations and updates! Until next time... happy caking!

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📖 Recipe

Yaki Onigiri

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Fragrant grilled Japanese rice seasoned with seaweed and grilled with a brushing of savory soy sauce

  • Author: Catherine Zhang
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 6 Onigiri 1x
  • Category: Rice
  • Method: Easy
  • Cuisine: Japanese

Ingredients

Scale

  • 2 cups Uncooked short-grain white rice
  • 480ml Water (2 cups)
  • ¼ cup Furikake, aka Japanese seaweed seasoning, optional
  • 60ml Soy sauce (¼ cup)
  • 6 cubes of Mozzarella cheese, optional

Instructions

  1. Wash the uncooked rice under running water until the water runs clear
  2. Combine the rice and water in a rice cooker and cook until done (or use your preferred method of cooking rice)
  3. Once cooked allow the rice to cool slightly, it should be cool enough to hold with your hands
  4. Add the furikake and mix until combined
  5. Divide the rice into 6 portions and roll into a rough ball
  6. Add a piece of cheese in the center of each ball (optional)
  7. Using your hands or an onigiri mold shape each ball of rice into a triangular shape (If using your hands: cup one hand into a "C" shape and hold the other palm beneath flat, then continue to rotate the ball of rice, using the cupped hand to form the three points of the triangle)
  8. Preheat a charcoal grill or frypan (use a little vegetable oil or butter to prevent the rice ball from sticking)
  9. Add the rice ball a cook on both sides until lightly toated
  10. Using a pastry brush both sides of the onigiri with soy sauce
  11. Continue to cook, turning occasionally, until the onigiri is cooked to your preferred level of char
  12. Serve immediately!

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Yaki Onigiri - Catherine Zhang (2024)

FAQs

Why does my yaki onigiri fall apart? ›

Ingredients for Yaki Onigiri

These cultivars have a higher ratio of amylopectin to amylose, which gives them a stickier texture. This enables the cooked rice to bind together into a rice ball. If you try and do this with other varieties of rice, your onigiri will most likely fall apart.

Can you reheat yaki onigiri? ›

How to reheat yaki onigiri? If you have any leftover onigiri you can heat them up for a couple of seconds in the microwave, over a grill, or in the air fryer! Don't heat them up for too long as the rice will get dry and hard.

Can you refrigerate yaki onigiri? ›

If you want to make onigiri for lunch the next day but don't want to wake up early, here's my tip. You can wrap the finished onigiri (in plastic wrap) with a thick kitchen towel. The kitchen towel protects the rice balls from being too cold in the refrigerator.

Why is my rice not sticky enough? ›

Consider letting the rice soak in a pot of water before you cook it. Some people find that letting the rice soak in water helps it become stickier in the end. Try soaking it for 30 minutes to 4 hours. Drain the water once the rice has finished soaking.

How do I make my onigiri stick together? ›

Tips for making moist-until-you-eat-them onigiri

See the Looking at rice post if you're not sure what rice is what. Make sure you are making them with freshly cooked rice, that's still hot, not cooled. Don't make onigiri with room-temperature rice..it will not stick together well and will dry out fast.

Can I eat onigiri left out overnight? ›

Onigiri will keep for several hours at room temperature and are often prepared in the morning for lunch. But use your best judgment, since their shelf life depends entirely on their fillings. Onigiri filled simply with umeboshi or kombu will keep for much longer than onigiri filled with tuna, mayonnaise, and salmon.

How long does yaki onigiri last? ›

You can individually wrap the Yaki Onigiri in plastic wrap and cover them with a thick kitchen towel and store in the refrigerator for up to 2 days. The towel will prevent the rice from getting too cold and keep the food cool but not cold.

How do you keep onigiri from getting soggy? ›

Wrapping your onigiri in nori right before eating prevents the seaweed from becoming soggy. To fully wrap the onigiri in nori, cut your nori sheets into 7- by 4.5-inch rectangles. Place the onigiri on the bottom of the sheet with the top of the triangle pointing towards you.

What does yaki mean in Japanese? ›

The word "yaki" (meaning, basically, "cooked over direct. heat") shows up in the names of many well-known Japanese dishes. Some of the best known include teriyaki (meat or tofu cooked in a glistening.

Are you supposed to eat onigiri cold? ›

It all depends on the size of the onigiri. Cold onigiri is softer and does not have that appetizing crunch. But, if you have tuna inside, the taste of the onigiri is more powerful when it is cold. However, meat eaters usually prefer to eat hot onigiri, because the fat of the pork and beef spreads into the rice.

Can you microwave onigiri with plastic? ›

Onigiri Rice Ball Seaweed Wrappers Nori & Sushi Rice Mold

A: If you take off the plastic wrappers around the seaweed first, you can. It makes the seaweed soggy if you microwave it though. Generally I microwave the rice ball by itself first --> wrap the seaweed around it --> Take off plastic wrap --> Eat.

How do you keep onigiri in shape? ›

Using wet hands, cup your hands around the onigiri to press it more firmly into a triangle. (It is essential to press firmly to make sure the grains stick to one another and the onigiri can hold its shape.)

How do you keep rice soft in onigiri? ›

Should you choose to make your onigiri the night before serving, cover them with plastic wrap or keep in a tightly sealed container in the refrigerator. Even stored this way, your onigiri will taste best within 24 hours, as the rice will begin to dry out.

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