When we think of Japanese culinary culture, we obviously think of sushi, ramen and even the famous ... we've chosen to fill it with a mayonnaise-spiced tuna filling, coated of course with ...

Unbelievably, this delectable marinated tuna dish isn't found in a pricey sushi restaurant in the Ginza or the Toyosu Market. Topped with cuts of soy sauce-soaked, fine bluefin tuna, the bowl of ...