Sushi is the symbol of Japanese food worldwide. And the most iconic, most familiar, style of sushi is known as nigiri. Credit Hanaya Yohei, a 19th-century sushi chef, for its popularity. These oblong ...

In front of you lies a glistening slice of fish resting atop a bed of perfectly cooked rice — slightly warm, glossy, and subtly seasoned. A quick dip in the shoyu, and you take a bite. A gentle ...