3 Ways to Enjoy Tuna Heart — Which One Would You Try? Tuna heart, three different ways. First, sashimi with sesame oil and salt. Next, lightly blanched and made into sushi, topped with ginger and green onion, then finished with soy sauce. Finally, stir-fried with garlic for a savory, aromatic finish. Same ingredient, completely different ways to enjoy it. Which one would you like to try? #tuna #heart #sushi