Known to many in the English-speaking world simply as rice balls, onigiri are as much a part of daily life in Japan as sandwiches are in the West. Although they’re often eaten as snacks or included along with a handful of other items as a packed lunch, for many Japanese onigiri are the ultimate comfort food; something that, no matter which part of the country they find themselves in, they can easily make or pick up from a convenience store.
Of course, store-bought onigiri can never come close to those pressed into shape by someone who knows their way around a rice cooker, but they always hit the spot nevertheless, and hundreds of thousands of these little lumps of savoury goodness are eaten every single day. But what are Japan’s most loved convenience store rice balls? And do tastes vary from chain to chain? Well, according to a recent survey, there are three onigiri fillings that Japan is especially fond of.