Once you consider conventional Japanese delicacies, you would possibly image sushi or ramen. However in some areas, there’s one other particular dish locals get pleasure from it for hundreds of years: Koi meals, or Koiryori. This text will provide you with a easy look into this distinctive a part of Japanese meals tradition, protecting what it’s, the place it comes from, and a spot you’ll be able to attempt it.
What’s Koi Meals?

Koi meals is delicacies from true carp, a sort of freshwater fish. Not like the decorative koi typically seen in ponds, locals particularly raised these carp are in clear, flowing water to eliminate any muddy style. Due to this, the meat turns into agency and has a lightweight, clear taste. The preparation of Koi delicacies pertains to the standard of the water the place locals raised it in. For example, in Ogi Metropolis, the carp are stored for one to 2 months within the clear, chilly waters of a stream, acknowledged as one among Japan’s High 100 Well-known Waters.
Among the hottest methods to eat carp embrace Koi no arai, that are skinny slices of uncooked carp. Locals served this with vinegar and miso sauce. There’s additionally Koi Koku, a wealthy miso stew with simmered carp, and Kanroni, carp cooked down in a candy soy sauce. These dishes are particularly standard in inland, mountainous areas of Japan the place contemporary seafood was traditionally onerous to come back by.
Historical past of Koi Meals

The usage of carp as a meals supply in Japan goes again to historical occasions, particularly in areas removed from the ocean. It was a helpful supply of protein. Its historical past associated to conventional medication; historical Chinese language texts point out that carp have many well being advantages, equivalent to serving to with sure sicknesses and bettering milk manufacturing in new moms. Over time, the information of tips on how to put together it to be scrumptious and suitable for eating was perfected, turning a easy fish right into a refined regional specialty.
Really useful Restaurant
Koi Hiromatsu (鯉ひろまつ)

For these searching for to expertise a really masterful instance of Koi delicacies, Koi Hiromatsu is a famend restaurant with an extended historical past. Working for over 110 years, since 1915, this institution is a testomony to the enduring attraction of the craft. The restaurant farms its personal carp from eggs, utilizing clear mountain and nicely water, which permits them to serve it as sashimi, a preparation hardly ever discovered elsewhere.
A Style of Inland Japan
Koi meals is a particular a part of Japan’s meals tradition, exhibiting how folks in inland areas developed their very own distinctive cooking kinds utilizing what was accessible. From its historical historical past as a helpful protein supply to its function in regional eating at present, carp delicacies is a testomony to Japanese culinary traditions. It’s a dish that connects folks to the land and its long-standing historical past.
When you’ve loved studying about carp, you may additionally like attempting different dishes that make good use of freshwater fish. Another dishes to search for are grilled sweetfish (Ayu), dishes made with rainbow trout (Nijimasu), or the well-known Japanese eel (Unagi) delicacies. Every of those affords a singular style of Japan’s freshwater flavors.
Niigata Koi (Carp) Delicacies FAQ
Is it suitable for eating carp (Koi)? I heard river fish have a scent.
Sure, it is extremely secure and scrumptious. In Niigata, carp are raised in clear, chilly water derived from melting snow. They endure a course of known as “Doronuki” (purging in contemporary water) for weeks earlier than serving, which utterly removes any muddy scent, leaving a clear and wealthy style.
What does Niigata Koi style like?
It’s typically in comparison with Sea Bream (Tai) however with extra wholesome fat. The meat is good, agency, and fatty however not greasy. Due to the clear water in Niigata, it has a refined taste in contrast to wild carp discovered elsewhere.
What’s “Koi no Arai”?
“Arai” is a conventional sashimi type. Skinny slices of uncooked carp are washed in ice-cold water to tighten the meat and take away extra fats. It creates a singular crunchy and crisp texture. It’s normally dipped in “Karashi Sumiso” (vinegar miso with mustard) as an alternative of soy sauce.
What’s “Koikoku”?
“Koikoku” is a hearty miso soup made by stewing chunks of carp (together with bones) for hours. The lengthy cooking time makes the broth thick, wealthy, and stuffed with umami. It’s a conventional winter dish in Niigata recognized for warming the physique.
Wait, are we consuming the colourful “Nishikigoi”?
Usually, no. The carp raised for meals are normally Black Carp (Magoi). Whereas Niigata (particularly Ojiya and Nagaoka) is legendary for breeding the gorgeous, costly Nishikigoi for viewing, the meals tradition depends on the black selection which has been a helpful protein supply for hundreds of years.
Why is carp well-known in Niigata?
Niigata has heavy snowfall, and up to now, it was onerous to get fish from the ocean throughout winter. Locals started elevating carp within the irrigation ponds used for rice paddies to make sure that they had a supply of diet throughout the harsh winter months.
Are there bones within the dishes?
Carp has many small bones. For sashimi (Arai), expert cooks slice it in a manner that avoids the bones. For stew (Koikoku) or Candy Simmered Carp (Umani), the bones are sometimes left in, however they’re giant sufficient to pick simply, or cooked till they’re delicate sufficient to eat.
Is it thought-about a wholesome meals?
Sure, it’s thought-about a “medicinal meals” in Japan. It’s excessive in high quality protein, collagen, and nutritional vitamins. It’s historically eaten by expectant moms or folks recovering from sickness to achieve energy.
The place is the most effective place to attempt it?
The Ojiya and Nagaoka areas in Niigata are essentially the most well-known. Many conventional Ryotei (Japanese eating places) and specialised carp eating places in these cities serve full-course carp meals.