Kagawa Prefecture
Oshinuki zushi

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Image Source : Agricultural Management Division, Department of Agriculture and Fisheries, Kagawa Prefecture
- Main lore areas
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All over the prefecture
- Main ingredients used
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rice, Spanish mackerel, fava beans, eggs, shiitake mushrooms
- History/origin/related events
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From spring to early summer, as the mung beans begin to bear fruit and the wheat begins to ripen, Spanish mackerel, loaded with fat, enter the Seto Inland Sea from the open sea, and the season for Spanish mackerel begins. During the off-season before wheat harvesting and rice planting, Sanuki farmers have a custom called "harui-oi," in which they buy a Spanish mackerel and prepare various Spanish mackerel dishes, inviting their relatives to join in the festivities. The main dish of this "Haru-i-o" is "oshi-nuki zushi" (pressed sushi without the fish), which is made of Spanish mackerel. In families with young brides, the mother-in-law buys Spanish mackerel and sends the daughter-in-law back to her hometown with a fish box covered with nanten (a kind of bamboo shoot). The bride would then take the "oshinuki zushi" made at her parents' home back home as a souvenir to her wedding home, thus bringing the two families closer together. The custom of "oshinuki zushi" of Spanish mackerel "spring celebration fish" is still practiced in some areas under the names of "mugi-urashi" and "hatsuho (first ears of Spanish mackerel)".
- Opportunities and times of eating habits
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It is made from late April to June, when the Spanish mackerel fishing season is active.
- How to eat
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Sushi rice is placed in a mold and small slices of boiled vegetables are placed between the rice. On top, ingredients such as Spanish mackerel, sansho (Japanese pepper), fava beans, shrimp for color, egg omelet, kinugaya (soybean flour), and red ginger are arranged in the mold and pressed out. The molds can be square, fan, pine, or plum. This colorful dish incorporates seasonal ingredients.
- Efforts for Preservation and Succession
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Even today, mainly farmers eat "oshi-nuki zushi" at home when Spanish mackerel and fava beans are in season. Although the number of households that buy whole Spanish mackerel is decreasing, they still make Spanish mackerel dishes from fillets. In season, pressed Spanish mackerel sushi is also sold at supermarkets and served at restaurants in the prefecture.