Katsuo Tataki is a traditional Japanese dish made with seared bonito fish. To make this dish, you will need the following ingredients: bonito fillets, soy sauce, mirin, ginger, garlic, sesame oil, green onions, and sesame seeds. First, marinate the bonito fillets in a mixture of soy sauce, mirin, grated ginger, and minced garlic for about 30 minutes. Then, heat a skillet with sesame oil and sear the bonito fillets for about 1 minute on each side. Remove from heat and let it cool. Once cooled, slice the bonito fillets into thin pieces and garnish with chopped green onions and sesame seeds. Serve with a side of soy sauce for dipping. Katsuo Tataki is a delicious and flavorful dish that showcases the natural taste of bonito fish.