If you enjoy sushi then try searing the tuna and coating with toasted sesame seeds or untoasted black and white sesame seeds. Use wasabi and pickled ginger if you like for 3 portion. 8-9 oz. sushi grade tuna ( never frozen ), 1/2 c. sesame seeds, Tamari soy sauce or your favorite, 2 T. toasted sesame oil, salt and pepper