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きんかんの甘露煮 · Kinkan no kanroni · Sweet-simmered kumquats
Whole kumquats are slit, blanched and simmered gently in fresh water and sugar until the peel softens and the liquid thickens. This Imari municipal recipe gives a sugar range rather than a fixed ratio.

Kanroni (甘露煮) is a Japanese way of cooking food slowly in sugar and water until it turns sweet, soft and glossy. Kinkan are kumquats, small citrus fruit eaten whole, peel and all. Kinkan no kanroni applies the method to the fruit.
The Imari City recipe gives a household version rather than a fixed formula. It calls for about 500 g of kumquats, between 100 g and 250 g of sugar, and enough water to cover the fruit, and it lists four servings. The sugar range is the main decision the cook makes, because it sets how sweet and how thick the finished syrup will be.
The method is short. Each fruit is washed and given small slits, and accessible seeds may be removed with a toothpick. The kumquats are blanched in plenty of water for about three minutes, and the blanching water is discarded. The fruit is then covered with fresh water, sugar is added, and the pan is simmered on low heat until the peel softens and the liquid thickens.
The source does not give a measured water volume, a simmering time, a syrup concentration or a cooking temperature. The end point is visual and tactile: the peel is soft and the syrup has thickened. For that reason the cooking conditions in this record are unknown rather than estimated.
The recipe gives no packing, sealing or storage time, so this record makes no shelf-stable claim. The preparation should be kept refrigerated or frozen.
The Imari City recipe is credited to the Imari and Nishimatsuura Rural Women's Group Study Association, whose booklet on home-made sweets is named on the page. The city page was last updated on 1 February 2016. It documents a municipal household recipe in Imari, Saga Prefecture; it does not establish that this is the origin of the dish across Japan.
Kumquat preparations appear elsewhere in the database with different identities and methods, including Vietnamese mut quat, salted kumquats and kumquat tea. They are separate records and should not be read as variants of this one.
The Imari municipal recipe collection identifies this preparation as kinkan no kanroni and credits the Imari and Nishimatsuura rural women's group study association's booklet Furusato no kaori wo tsutaeru tedzukuri oyatsu. The page does not date the origin of Japanese sweet-simmered kumquats.
Yield 4 servings · Scaling: source batch only
The municipal recipe gives no measured preserve endpoint, packing process or storage duration. The atlas adaptation limits this formula to refrigerator or freezer storage.
Hazard sourceKeep the atlas adaptation within its stated refrigerator/freezer-only scope; no validated shelf-stable process or storage duration is provided.
Control sourceThis is a refrigerator/freezer prototype, not a shelf-stable canning recipe. No storage duration is established.
Imari City publishes this recipe, attributed to a local rural women's group booklet; this documents a local association, not the origin of kanroni.
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Imari City; recipe credited to Imari and Nishimatsuura Rural Women's Group Study Association, Furusato no kaori wo tsutaeru tedzukuri oyatsuProcess · Geography · History
No.23 きんかんの甘露煮The page lists a four-serving recipe: 500 g kumquats, 100–250 g sugar and water to taste/amount needed.
It directs readers to wash and slit the fruit, optionally remove seeds, blanch for about 3 minutes and discard the liquid, then simmer in fresh water and sugar over low heat until the peel softens and the liquid thickens.
The municipal page was updated 1 February 2016 and credits a local rural women's group booklet; it does not state the origin of kanroni or give measured water, simmer duration, a validated packing process or storage duration.
Cited in: What kanroni is; Method and what the source leaves open; Source and place