Tulo

Yaki Onigiri (Grilled Rice Balls) Recipe

Grilled Japanese rice balls brushed with a savory soy and mirin glaze and pan-seared until a crisp, toasted crust forms around a warm, tender center.
Photo by Amar Preciado on Pexels

Packing the rice firmly while it's still warm lets the starches bind the grains into a shape that holds together on the grill, and letting the glaze caramelize onto the surface undisturbed is what turns the outside into a crisp, savory crust instead of just a sticky coating.

Prep
15 min
Cook
15 min
Total
30 min
Servings
4

Ingredients

Servings4
  • 3 cups cooked short-grain Japanese rice, warm
  • 3 tbsp soy sauce
  • 2 tbsp mirin
  • 1 tsp miso paste
  • 1 tsp toasted sesame oil
  • 1 tbsp neutral oil, for the pan
  • 1 tsp toasted sesame seeds, for garnish

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Instructions

  1. 1Wet your hands lightly with water to keep the rice from sticking, then divide the warm rice into 6-8 portions.
  2. 2Shape each portion into a firm, compact triangle or disc, pressing hard enough that it holds together when squeezed.
  3. 3Whisk together soy sauce, mirin, miso, and sesame oil for the glaze.
  4. 4Heat oil in a nonstick or well-seasoned skillet over medium heat and place the rice shapes in the pan.
  5. 5Cook undisturbed for 3-4 minutes per side, until a light golden crust forms.
  6. 6Brush both sides generously with the glaze and continue cooking, flipping and brushing again, until deep golden brown and fragrant, 4-5 more minutes.
  7. 7Sprinkle with sesame seeds and serve hot.

Tips & variations

  • Tuck a small cube of cheese, a piece of umeboshi, or flaked salmon into the center before shaping for a filled version.
  • A charcoal or gas grill works even better than a skillet if you have one going, it adds a smokiness the pan can't.
  • Swap the miso for a teaspoon of grated ginger for a brighter, less funky glaze.

Storage & reheating

Refrigerate up to 2 days, tightly wrapped. Reheat in a dry skillet over medium heat to re-crisp the surface; microwaving works but loses the crust.

Nutrition

A simple, carb-forward dish, light on fat and protein beyond what's in the rice and glaze.

Tips from the Tulo kitchen

  • Let freshly cooked rice cool for a couple of minutes before shaping, rice straight off the boil is too hot to handle and packs less firmly.
  • Resist flipping too early, the crust needs a few undisturbed minutes to actually set before it will release cleanly from the pan.

FAQ

What kind of rice works best for yaki onigiri?

Short-grain Japanese rice, sometimes labeled sushi rice, is essential, its higher starch content is what lets the rice hold together in a shape. Long-grain rice like basmati or jasmine won't work here.

Can I use leftover cold rice?

It's harder to shape since it's lost its warm stickiness, but you can microwave it briefly with a splash of water to soften it before packing it into shapes.

What's the difference between onigiri and yaki onigiri?

Onigiri are plain or filled rice balls, often wrapped in nori and eaten as-is. Yaki onigiri means grilled onigiri, brushed with a savory glaze and pan-seared or grilled for a crisp, toasted exterior.

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