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Katsuo-furikake with dried bonito flakes
  • Furikake variety
  • かつおふりかけ

Katsuo-furikake

Bonito and nori, umami times two.

Flavor profile

Umamiumami 90%
Umamidried fish 70%
Salinitysaltiness 65%
Smokesmokiness 40%
Sweetnesssweetened soy 30%

The strengths are editorial judgments on a scale within the family, not measurements. They can be compared across the furikake varieties, not directly against another family.

Katsuo-furikake is built on shaved bonito, the same katsuobushi that gives dashi its other half, dried together with soy sauce, sesame, and nori. It is the most umami-heavy variety in the family, and the reason is chemical: the bonito's inosinate meets the nori's glutamate, and the two amplify each other far beyond what either delivers alone. The homemade relative is called okaka, bonito flakes moistened with soy sauce, the classic filling for an onigiri.

Sensory analysis

Pyramid and character

Aroma

from the jar

  • dried fish
  • soy sauce
  • smoke

Taste

on the rice

  • umami
  • saltiness
  • sweetened soy

Finish

what lingers

  • long
  • hearty
  • salty
SALINITYUMAMISWEETNESSACIDITYROASTHEATCRISPNESS

Character 0-100 per axis, set relative to the other entries in the same family. An editorial judgment of a typical serving, not measurements.

Background

Facts

Raw material
shaved katsuobushi, often simmered in soy sauce and sugar and then dried again
Synergy
inosinate from bonito plus glutamate from nori; the same pair that makes awase-dashi stronger than its parts
Okaka
bonito flakes mixed with soy sauce, the homemade counterpart and one of the most common onigiri fillings
Form
comes both dry and as soft nama-furikake, where the flakes are simmered in soy sauce and mirin and not fully dried
The role
the variety that makes a bowl of rice a meal rather than just seasoning it, and the one that needs no sides

On the food

Use

Dosage
a generous teaspoon per serving
Surface
warm rice, a cold rice ball, a fried egg, or boiled vegetables
Note
the flakes soak up moisture quickly and lose their crunch first in the family; sprinkle at the table, not in advance

Keep exploring

Related in the Zukan

Evidence

Sources

  1. Furikake (Wikipedia) (retrieved 2026-08-12)
  2. Katsuobushi (Umami Information Center) (retrieved 2026-08-12)
  3. Furikake: history, recommended products, recipes (Food in Japan) (retrieved 2026-08-12)