For instance, “Kaitaku onigiri” (Pioneers’ onigiri) had umeboshi (salted pickled plum) for its filling, a sprinkling of salt and sesame on the rice, and was slightly grilled before it was ...

Before wrapping, or even making the onigiri, though, you have to pick your fillings. Some popular fillings for this classic rice ball dish are umeboshi or pickled plum, which adds a salty ...

Onigiri can be flavored or filled in a variety of ways. Traditionally, rice balls are filled with a salty ingredient like ...