Ingredients: - 1 Hamachi fillet, thinly sliced - 1/4 cup soy sauce - 2 tablespoons fresh lemon juice - 1 tablespoon rice vinegar - 1 tablespoon mirin - 1 tablespoon grated ginger - 1 tablespoon chopped green onions - 1 teaspoon sesame oil Steps: 1. In a small bowl, whisk together the soy sauce, lemon juice, rice vinegar, mirin, ginger, green onions, and sesame oil to make the ponzu sauce. 2. Arrange the thinly sliced Hamachi fillet on a serving platter. 3. Drizzle the ponzu sauce over the Hamachi slices. 4. Serve immediately and enjoy the fresh and delicate flavors of the Hamachi sashimi with the tangy ponzu sauce.