
Unseasoned rice vinegar
Japanese komezu is a pale, unseasoned rice vinegar made through alcoholic and acetic fermentation; rice, water, koji and yeast shape its character.
Modern adaptation
A Japanese-style glaze of pale rice miso, water, sugar and rice vinegar, heated gently until it coats a spoon and spread over cooked aubergine, tofu or vegetables.

Miso is not one uniform paste. Marukome distinguishes rice, barley, soybean and blended misos, and describes lighter types as mellower while darker ones are richer. These categories carry flavour differences; they do not establish a universal sweetness or salt level for every product.
Use the pale rice miso listed in the formula, and check its package for ingredients and storage instructions. Soybeans are a regulated allergen in the United Kingdom, so read the product's allergen statement; other ingredients can vary by brand.
For leftovers, cool and refrigerate the glaze promptly in a clean covered container. UK Food Standards Agency guidance recommends eating leftovers within 48 hours. This is general handling advice, not a measured shelf life for this particular formula.
This exact formula is a contemporary development in a Japanese sweet-miso, dengaku-style frame, not a documented traditional standard. No date of creation or earlier attestation is given.
Scaling: source batch only
The archived recipe identifies soy in the miso; soybeans are a regulated allergen. Check the miso label for its exact ingredients and allergen statement.
Hazard sourceRefrigerate leftovers promptly in a clean, covered container and use within 48 hours under the general UK leftovers guidance. This is a handling guideline, not a measured shelf life for this glaze.
Control sourceContains soy from the miso; check the product label for other ingredients and allergens.
This original development formula has not been kitchen-tested, sensory-validated or shelf-life-tested.
It is not a validated canning or room-temperature recipe. Thickness, taste and a closed container do not establish safety.
The archived R03 entry frames this original formula as Japanese and dengaku-style; it does not claim a traditional standard or a more precise regional origin.
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Marukome USAIdentity · Variation
Types of MisoDistinguishes rice, barley, soybean and blended miso types.
Describes lighter misos as mellower in flavour and darker misos as richer.
Cited in: Miso types and flavour
Food Standards Agency, United KingdomSafety · Storage
How to chill, freeze and defrost food safelyRecommends eating leftovers within 48 hours and cooling cooked food before refrigeration under its consumer guidance.
Cited in: Keeping the cooked glaze
Food Standards Agency, United KingdomSafety · Allergens
Allergen guidance for food businessesLists soybeans among the regulated allergens that food businesses must declare when present as an ingredient.
Cited in: Miso types and flavour