Kezurikatsuo are shavings of dried skipjack tuna.
They can also be broadly referred to as Bonito Tuna Flakes ("Katsubushi" in Japanese), but when these Bonito shavings are on the larger and thicker side, they are referred to as Kezurikatsuo.
Kezurikatsuo are the version of Bonito Flakes generally used in making Dashi stock.
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