Overview
Despite common misconceptions, onigiri is not a form of sushi. Onigiri is made with plain rice (sometimes lightly salted), while sushi is made of rice with vinegar, sugar and salt. Onigiri makes rice portable and easy to eat as well as preserving it, while sushi originated as a way of preserving fish.
Onigiri are also found in many convenience stores in Hong Kong, mainland China, Taiwan and South Korea. In Korean, it is called "jumeok bap" (Hangul: 주먹밥) or "samgak gimbap" (Hangul: 삼각김밥), literally "fist-rice" or "triangle-seaweed-rice," respectively.
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