Article / Updated 03-26-2016
Keep sushi dry goods in a cool, dry, dark pantry or cupboard —as for all dry food ingredients. Sushi dry goods quickly deteriorate if exposed to heat, moisture, or light. Most of these sushi dry goods are best used within six months of opening, and should be refrigerated or frozen after opening: Dashi konbu (dried kelp): Resembles broad, leathery, wrinkly ribbon.