Onigiri

Onigiri is Japan’s most consumed street food, with 10 million units bought daily in convenience stores alone. This ancient fast food, dating back to the Heian period, uses compressed rice formed into triangles or cylinders and wrapped in nori seaweed. It outperforms #5 Taiyaki in daily sales volume by 15%, and with over 40 flavors from tuna mayo to pickled plum, it’s the country’s best-selling packaged food.