Serious Eats: Recipes
Sumeshi (Vinegared Sushi Rice)
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Note: konbu is dried Japanese sea kelp. It is available in any Japanese supermarket. Look for pieces that are wide and flat with a distinct powdery white deposit on the surface. Make sure that the rice vinegar you are using is not labeled "seasoned" rice vinegar, which already has sugar added to it. I like my rice relatively highly seasoned, but the sugar and vinegar levels can be adjusted to taste.