Yaki Onigiri (Grilled Rice Balls) with Miso and Soy Sauce Flavors Recipe
Introduction
Yaki Onigiri, or grilled rice balls, are a delicious Japanese snack featuring crispy, savory exteriors with soft, warm rice inside. Perfectly charred and flavored with miso or soy sauce, they make a satisfying treat any time of day.

Ingredients
- 2 cups uncooked short grain rice
- 2 cups water
- 1 tbsp miso
- 2 tsp mirin
- 2 tsp sake
- 2 tsp sugar
- 1.5 tbsp butter
- 1 tsp finely chopped chive (to garnish)
- 1 tsp sesame seeds (to garnish)
- 1.5 tbsp vegetable oil
- 1 tbsp soy sauce
- 1.5 tbsp everything bagel seasoning
- 1.5 tbsp butter (for soy sauce version)
Instructions
- Step 1: Cook the rice according to your rice cooker’s instructions, using 2 cups uncooked short grain rice and 2 cups water.
- Step 2: While the rice cooks, mix miso, mirin, sake, and sugar in a bowl until well combined.
- Step 3: Divide the cooked rice into 6 equal portions.
- Step 4: Using a piece of cling wrap, shape each portion into a firm triangle by pressing and squishing it.
- Step 5: For the miso flavor: heat a cast iron skillet over medium heat and add 1.5 tbsp butter.
- Step 6: Grill each rice ball for about 1 minute per side, coating them with the melted butter.
- Step 7: Brush the miso paste onto all sides of the rice balls and continue grilling until each side is crispy and caramelized.
- Step 8: Serve the miso-grilled onigiri topped with chopped chives and sesame seeds as garnish.
- Step 9: For the soy sauce flavor: heat the skillet over medium heat and coat with 1.5 tbsp vegetable oil.
- Step 10: Grill the rice balls for about 1 minute on each side.
- Step 11: Brush soy sauce on each side every time you turn the rice balls, repeating a few times to build flavor.
- Step 12: Continue grilling each side until crispy, then turn off the heat and transfer to a plate.
- Step 13: Top each rice ball with 1/2 tbsp butter so it melts over the warm onigiri.
- Step 14: Garnish with the everything bagel seasoning and serve immediately.
Tips & Variations
- Use fresh, short grain rice for the best sticky texture that holds the onigiri shape well.
- For extra flavor, experiment with adding a filling like pickled plum or grilled salmon inside the rice balls before shaping.
- If you don’t have a cast iron skillet, a non-stick pan works fine but expect slightly less crispiness.
- Butter adds richness and helps the rice crisp; don’t skip it if you want authentic taste.
Storage
Yaki Onigiri are best enjoyed fresh for the best texture. Store leftovers in an airtight container in the refrigerator for up to 2 days. To reheat, warm them in a pan over medium heat to restore crispiness, or microwave briefly and then toast lightly in a skillet.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make onigiri without a rice cooker?
Yes, you can cook short grain rice on the stovetop using a heavy pot with a tight-fitting lid. Use the same 1:1 water to rice ratio and simmer gently until water is absorbed and rice is tender.
What can I substitute for miso paste if I don’t have any?
If miso paste isn’t available, you can try using a mixture of soy sauce and a small amount of tahini or peanut butter for a similar umami depth, but the flavor will differ from traditional yaki onigiri.
PrintYaki Onigiri (Grilled Rice Balls) with Miso and Soy Sauce Flavors Recipe
Yaki Onigiri (焼きおにぎり) are Japanese grilled rice balls that are crispy on the outside and tender on the inside, flavored with either savory miso or soy sauce glazes. This recipe offers two delicious variations, perfect as a comforting snack or side dish, featuring a delightful combination of umami seasonings and garnishes like sesame seeds and chopped chives.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Total Time: 35 minutes
- Yield: 6 rice balls 1x
- Category: Snack
- Method: Grilling
- Cuisine: Japanese
- Diet: Gluten Free
Ingredients
Rice and Miso Paste
- 2 cups uncooked short grain rice
- 2 cups water
- 1 tbsp miso
- 2 tsp mirin
- 2 tsp sake
- 2 tsp sugar
- 1.5 tbsp butter (for miso flavour)
Soy Sauce Flavour and Garnishes
- 1.5 tbsp vegetable oil
- 1 tbsp soy sauce
- 1.5 tbsp everything bagel seasoning
- 1.5 tbsp butter (for soy sauce flavour)
- 1 tsp finely chopped chive (to garnish)
- 1 tsp sesame seeds (to garnish)
Instructions
- Cook the Rice: Cook 2 cups of short grain rice with 2 cups of water according to your rice cooker’s instructions.
- Make the Miso Paste: While the rice cooks, combine 1 tbsp miso, 2 tsp mirin, 2 tsp sake, and 2 tsp sugar in a bowl and mix well.
- Portion the Rice: Divide the cooked rice into 6 equal portions.
- Shape the Rice Balls: Using a piece of cling wrap, shape and compress each rice portion into a triangle shape for uniform grilling.
- Prepare for Miso Flavour: Heat a cast iron skillet over medium heat and add 1.5 tbsp butter.
- Grill with Butter: Grill each rice ball for about 1 minute on each side, coating them with the melted butter.
- Apply Miso Paste: Brush the prepared miso paste onto each side of the rice balls.
- Grill until Crispy: Continue grilling the miso-coated rice balls on each side until a crispy crust forms.
- Serve Miso Style: Garnish the grilled miso onigiri with finely chopped chives and sesame seeds before serving.
- Prepare for Soy Sauce Flavour: Heat the cast iron skillet over medium heat and coat it with 1.5 tbsp vegetable oil.
- Grill the Rice Balls: Grill each rice ball for about 1 minute per side.
- Brush Soy Sauce: Every time the rice balls are turned over, brush 1 tbsp soy sauce over each side. Repeat turning and brushing multiple times for flavor.
- Grill until Crispy: Grill all sides evenly until a crispy golden crust develops, then turn off the heat.
- Add Butter and Garnish: Place 1/2 tbsp butter on top of each grilled rice ball and garnish with everything bagel seasoning, chopped chives, and sesame seeds before serving.
Notes
- Short grain rice is essential for the sticky texture needed to shape onigiri properly.
- Using cling wrap helps to form neat triangle shapes without the rice sticking to your hands.
- Cast iron skillets provide even heat distribution for perfect grilling.
- You can adjust the amount of soy sauce or miso paste based on your taste preference.
- Ensure moderate heat to avoid burning the rice while achieving a crispy exterior.
- Everything bagel seasoning adds a flavorful crunch and can be substituted with sesame seeds and seaweed flakes if unavailable.
Keywords: Yaki Onigiri, Japanese grilled rice balls, miso onigiri, soy sauce onigiri, grilled rice balls, easy Japanese snacks

