Umeboshi onigiri is one of the most classic Japanese rice balls. Plain onigiri with salty, sour pickled plums tucked inside makes for a simple but delicious combination. Growing up in Japan, umeboshi was a standard onigiri filling I often saw in Bento lunch boxes, convenience stores, and homemade meals. The umeboshi adds a perfect little touch of flavor without being ... The post Umeboshi Onigiri (Japanese Rice Balls with Pickled Plum) appeared first on Chopstick Chronicles.