“The modern nigiri sushi we know was invented as fast food for busy travelers in 18th Century Tokyo (known then as Edo). Bite-sized grabs of rice and raw fish were treated with kelp, vinegar, light soy sauce, herbs and other zests to stall spoilage and make the goods last longer.”

Read More: http://www.buzzfeed.com/kevintang/17-beautiful-and-mouthwatering-photos-of-edomae-sushi