These simple-looking shaped balls of rice gave rise to the modern-day sushi culture. Rice farmers' wives would prepare these for their lunch in the rice paddies as they're compact and tidy to eat. Farmers were too poor to afford meat or fish to make fillings so a little salt and vinegar in the rice with nori (seaweed) went a long way. The principles of onigiri are still very practical today - these little rice balls are great for picnics and lunch boxes.
If you make extra, they can be packed in a container and frozen for another emergency lunch.
Rice vinegar mixture:
You can wrap onigiri in just about anything you want - here are a few examples for you to try:
How did it go? Tag us @grainguru.uk and use the hashtags #onigiri and #grainguru
Here's a deliciously easy recipe to go with our 5-Grain Mix. If this sounds familiar to you, it was one of the dishes we prepared live on stage at the expo, so we thought we'd give you the chance to make it for yourself!