Place the rice in a saucepan with the water and bring to the boil, uncovered. Cover, reduce the heat and cook for about 12 minutes, or until the water is absorbed and the rice cooked. Allow to cool for a few minutes, then stir in the rice vinegar and sugar. You can use the rice to make the sushi as soon as it’s cool enough to handle.
To make the sushi rolls, place a piece of nori, shiny