Wash the rice very well to remove the starch.

NextBoil it for about 15 min; a trick is to cover the pot with foil, and when it puffs up the rice is done.

Boil it for about 15 min; a trick is to cover the pot with foil, and when it puffs up the rice is done.

NextSeason with the vinegar and sugar mixture.

Season with the vinegar and sugar mixture.

NextLeave to cool to room temperature.

Blend everything except the paprika, which is for sprinkling on top.

NextPut a nori sheet on the mat with the lines running horizontally, spread a layer of rice without pressing too hard and leaving a margin, put the filling along one side (leaving a few fingers' gap from the edge) and roll up.

Put a nori sheet on the mat with the lines running horizontally, spread a layer of rice without pressing too hard and leaving a margin, put the filling along one side (leaving a few fingers' gap from the edge) and roll up.