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Chicken Soboro Onigiri (Japanese Ground Chicken Rice Ball)

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Chicken Soboro Onigiri features sweet-savory ground chicken tossed with sticky Japanese short-grain rice, shaped into triangles, and finished with a wrapping of crisp nori. This classic bento favorite is quick to prepare, portable, and perfect for lunch or snacks. The harmonious balance of flavorful soboro and delicate rice makes it satisfying yet simple, whether enjoyed fresh or as a make-ahead meal.
Prep Time 10 minutes
Cook Time 10 minutes
Total Time 20 minutes
Servings: 6 rice balls
Course: Lunch, Main Course, Snack
Cuisine: Japanese
Calories: 235

Ingredients
  

For the Onigiri
  • 600 g cooked Japanese short-grain rice
  • 1 tsp cooking oil
  • 100 g ground chicken or ground turkey
  • 1 tbsp Japanese soy sauce koikuchi shoyu
  • 0.5 tbsp mirin
  • 1 tsp sugar
  • 1 tsp sake
  • 6 strips roasted seaweed for sushi (nori)

Equipment

  • Frying pan
  • Large bowl
  • Onigiri mold (optional)
  • Spoon or spatula

Method
 

  1. Warm a frying pan over medium-high heat. Add the cooking oil, then the ground chicken. Cook, breaking the meat apart, until it turns brown.
  2. Pour in the soy sauce, mirin, sugar, and sake. Stir well to coat the chicken and continue frying until the sauce is fully absorbed.
  3. Transfer the cooked rice to a large bowl. Add the seasoned chicken and mix thoroughly until the soboro is evenly distributed.
  4. Divide the rice mixture into six equal portions and form each into a triangle using an onigiri mold or by shaping with your hands.
  5. Wrap a strip of nori around each rice ball. Serve immediately, or pack for later with an ice pack if needed.

Nutrition

Calories: 235kcal

Notes

You can substitute ground turkey for the chicken if desired; both work equally well with the sweet-savory seasoning. For best results, allow the rice to cool slightly before handling, as this makes shaping easier but still helps the rice stick together. To keep the nori crisp, wrap the rice balls just before eating or packing. These rice balls are freezer-friendly: store individually wrapped in plastic once cooled, and reheat from frozen in the microwave, adding nori after reheating. Always use an ice pack when packing onigiri in a lunch box to keep them food-safe until ready to eat.

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