Katsuobushi is simmered, smoked and fermented skipjack tuna. It is also known as bonito flakes. Katsuobushi or similarly prepared fish is also known as okaka. Shaved katsuobushi and dried kelp—kombu—are the main ingredients of dashi, a broth that forms the basis of many soups and sauces in Japanese cuisine.

What is bonito broth made of?

Bonito flakes are made from dried bonito fish that is grated into flakes. It's one of the main ingredients in dashi - a staple ingredient used in almost all authentic Japanese dishes. The bonito will be placed into a basket called "Nikago" which means 'boiling basket'.

What does bonito broth taste like?

Bonito flakes can be described as having a smokey, savory, and slightly fishy flavor. They can be compared to bacon or anchovies but they have a lighter, more delicate taste.