Katsuo Nigiri is a type of sushi made with bonito fish. To make this dish, you will need the following ingredients: bonito fillets, sushi rice, nori seaweed, wasabi, and soy sauce. First, prepare the sushi rice by washing and cooking it according to the package instructions. Once the rice is cooked, let it cool slightly before shaping it into small oblong shapes. Slice the bonito fillets into thin pieces and place them on top of the sushi rice. Secure the fish with a strip of nori seaweed. Serve the Katsuo Nigiri with a side of soy sauce and wasabi. This sushi dish is a perfect combination of flavors and textures, with the delicate bonito fish complementing the sticky sushi rice.