Ingredients: - 1 Hamachi fillet - 1/4 cup soy sauce - 2 tablespoons lemon juice - 1 tablespoon rice vinegar - 1 tablespoon mirin - 1 tablespoon grated ginger - 1 tablespoon chopped green onions - 1 teaspoon sesame oil Steps: 1. Slice the Hamachi fillet into thin sashimi slices and arrange them on a serving platter. 2. In a small bowl, whisk together the soy sauce, lemon juice, rice vinegar, mirin, ginger, green onions, and sesame oil. 3. Pour the ponzu sauce over the Hamachi sashimi and let it marinate for 10-15 minutes. 4. Serve the Hamachi sashimi with ponzu sauce as an appetizer or part of a sushi platter. Enjoy!