Tag: Nigiri sushi

Sushi is a traditional type of Japanese cuisine mainly composed of a combination of shari (sushi rice or vinegared rice), fish or shellfish. Sushi can be broadly categorized as Hayazushi (quick sushi), where the vinegar is used with fish, and Narezushi (matured sushi), in which the fish is fermented with rice. In Hayazushi, vinegar is mixed with rice to make an acidic taste and eaten after sitting for a day or so. The sushi we know, made in front of customers to be eaten right away is Nigiri sushi. It is called “Edomae Sushi” because it was originally made using fish caught in the Edo Sea. The present-day Nigiri sushi (Edomae sushi) was first invented between 1810 and 1830 during the Edo period. Common belief is that it was invented by Yohei Hanaya or Matsugoro Sakaiya, both sushi chefs.

Strong belief that fish is only about freshness

In some cases, the strong belief that fish is only about freshness, may prevent you from tasting the true value of the fish. For example, slicing up a fish that was just swimming, in front of the customer. The umami flavor is weak at first so while the texture is tough (a unique, crunchy feeling), the flavor is lacking. But the idea that freshness is equivalent to deliciousness continues still. This is a typical case of faith in freshness overtaking the actual taste.

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Revision date: April 16, 2018

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What is the difference between the taste of marbled and lined fatty tuna?

Marbled tuna (shimofuri) is the part in which it looks like the fat has fallen like a frost and melts like snow on your tongue then leaving only the umami taste.

The lined fatty tuna (Jabara) is the part that has white fat lines running through it. When you first take a bite, surge of aroma and umami flavor fills your mouth. After that, the potent fatty umami fills your mouth. The way the fat melts in your mouth differs between Jabara and marbling, so which you like better depends on preference.

Related contents: TYPES OF TUNA

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Revision date: May 4, 2021

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10 pieces of sushi we recommend for April

This is a list of 10 must-try sushi toppings in April. Sayori has long been loved the Japanese as an ingredient in Edomae sushi, and its appearance ushers in the start of spring. And katsuo (bonito) is recommended for this day, and of course, this is the time for “Hatsugatsuo” (the first bonito of the season).

Bastard halibut (Hirame)

Japanese halfbeak (Sayori)

Bigfin reef squid (Aori ika)

Lean meat of tuna (Akami)

Medium Fatty Tuna (Chutoro)

Japanese icefish (Shirauo)

Broad velvet shrimp (Shiro ebi)

Rediated trough-shell (Kobashira)

Japanese egg cockle (Torigai)

Common orient clam (Nihamaguri)

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Revision date: April 2, 2018

Can’t-miss Tokyo sushi toppings (Meji Maguro)

Meji Maguro (AKA: Meji) caught in fixed net fishing is one type of sushi topping that you really should try. Meji is the larval fish of Pacific bluefin tuna, made and served at expensive restaurants, but not usually available as Edo-style sushi. Its fat is lighter and it doesn’t have the impact that fatty tuna has. Efforts are put into seasoning to avoid this. Using a pinch of ginger, Japanese basil or onion between the topping and rice, along with the wasabi, really brings out the fresh flavor of the young fish as well as the sweetness of this fatty part.

Related contents: TYPES OF TUNA

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Revision date: March 26, 2018

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Why doesn’t rice stick to the sushi chef’s hands?

One of the pleasures of sitting at a sushi counter is watching the sushi master work his craft.

He holds the topping between the index finger and thumb of his left hand while simultaneously grabbing the shari (vinegar rice) with his left hand. He gently squeezes the shari and then moves the topping from his left hand to the top of that shari in a fluid motion. This entire process of shaping the shari to the finished piece of sushi takes less than six seconds. Every movement is precise and purposeful.

However, no matter how many pieces the chef makes one after another, you’ll never see a grain of rice stick to his hands. If you or I were to make even one piece of sushi, our hands would be covered in rice. So why doesn’t it happen to them? Their hands don’t look oiled. Perhaps sushi chefs have especially smooth or slick hands compared to us average Joes?

Of course not. This is actually thanks to the vinegar.

The chefs keep a bowl of vinegar close by, which they constantly use to wet their hands. This procedure is called “Tezu” or vinegared water, which both disinfects the hands and cools their palms. When the vinegar evaporates, it takes the heat from the hands with it.

Normally hands reach temperatures of 33-34 degrees Celsius (91-93 degrees Fahrenheit), but sushi chefs cool their hands to approximately 30 degrees Celsius (86 F). This transfers the heat from the hands to the shari, keeping it from getting sticky. In other words, not a single grain of rice sticks to their hands.

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Revision date: March 19, 2018

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Why is freshly-caught fish allowed to age?

The most delicious time to eat fish differs depending on if it is served as sashimi, as sushi, or boiled. Fresh does not necessarily mean delicious. For example, Japanese Amberjack should be used in sashimi 3-5 days after being caught, in sushi a week after being caught and it can be used in a stew or boiled once it turns black around the edges. This is because the inosine acid, which is responsible for the umami taste, increases after rigor mortis ends and understanding the timing of the peak in flavor is up to the skill of the sushi chef.

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Revision date: March 12, 2018

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Why does the bill more when ordering sashimi at a prestigious restaurant?

Thicker cuts of fish are used for sashimi than for sushi. Depending on the restaurant, the equivalent of three pieces of sushi may be used in one cut of sashimi. In other words, two pieces of sashimi is the same as six pieces of sushi. At a restaurant where one piece of medium fatty tuna sushi is priced at JPY 1000, simple arithmetic prices medium fatty tuna sashimi at JPY 6000. Just a small order of assorted sashimi often costs more than JPY 10,000. Be careful.

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Revision date: March 5, 2018

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10 pieces of sushi we recommend for March

This is a list of 10 must-try sushi toppings in March. This is the season when early cherry blossoms start to bloom. On the spring equinox, fishing for Japanese egg cockle (Torigai) opens.

Bastard halibut (Hirame)

Japanese halfbeak (Sayori)

Golden cuttlefish (Sumi ika)

Lean meat of tuna (Akami)

Medium Fatty Tuna (Chutoro)

Japanese icefish (Shirauo)

Striped marlin (Makajiki)

Pen-shell (Tairagi)

Ark shell (Akagai)

Rediated trough-shell (Aoyagi)

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Revision date: November 6, 2030

Why are two pieces of nigiri sushi made at once?

Have you ordered Nigiri-sushi and been served two pieces on one plate?

There are multiple theories as to the reason for this, but the most likely one is as follows.

The reason sushi is served in sets of two pieces is that this practice is left over from long ago (the Edo period), when pieces of sushi were made large, like onigiri, and difficult to eat. At some point (it’s unclear when), these were just cut in half, making two pieces that led to what we see today (there are multiple theories about when this happened).

However nowadays, if you were to eat two pieces of each topping, you won’t be able to enjoy as many different kinds, so customers sitting at the counter are served only one piece at a time. So then why do other restaurants continue to prepare two pieces at once? This may be in order to improve the efficiency of the sushi chef’s work. Also, regular customers may see toppings others are ordering and ask for the same one. This helps reduce the workload of the sushi chef.

But there are also some toppings that are better to eat in pairs.

For example, conger eel tastes completely different when one piece is eaten with salt and the other seasoned with sweet sauce. Serving the part of the eel closer to the head skin-up and the part closer to the tail belly-up also offers different textures; skin-up offers a smooth texture while belly-up offers a fluffy texture. In addition, the head and tail simply taste differently. Since the back and belly of fish like bonito and mackerel have different fat content, it can be better to order two pieces at a time in order to fully experience each of the individual qualities of the fish.

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Revision date: March 27, 2023

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Why don’t I notice the fishy smell in sushi restaurants?

Many overseas visitors who aren’t used to eating fish have an aversion to fishy smells. This is actually the smell of a substance called trimethylamine and is generated by the breakdown of the umami component called trimethylamine oxide found in large amounts in fish by bacterial growth. The smell also gets stronger with the generation of ammonia as more time passes.

Bacterial growth can be controlled with refrigeration so toppings at sushi restaurants are kept cold. Trimethylamine is an alkaline, so smells can be eliminated by washing with vinegar, which is acidic. It is also possible to kill bacteria on the surface of the fish by soaking it in vinegar, reducing the number of bacteria. Basically, sushi restaurants are constantly taking measures to prevent bacterial growth and avoid fishy smells.

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Revision date: February 19, 2018

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Why is sushi with tuna topping so expensive?

A purchase of raw tuna costs at least JPY 30,000 per kilogram. Furthermore, good tuna is judged not only by taste, but appearance is also highly regarded.

The surface is gradually oxidized by letting it sleep (mature) and the sushi chef makes sure that parts are cut of as they change color, when the timing is perfect for both the taste and appearance. In other words, skin is taken from the freshly purchased tuna, the meat of the fish darkened by blood (the blackened area that can’t be used as sushi toppings) is removed, the parts that have changed color are shaved off and then only the remaining, best parts used as toppings are left.

This is why the price is high.

Related contents: TYPES OF TUNA

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Revision date: February 5, 2018

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10 pieces of sushi we recommend for February

This is a list of 10 must-try sushi toppings in February. Hamaguri was once harvested in abundance from Tokyo bay, and even today is a fundamental ingredient in Edomae sushi.

Red seabream (Tai)

Blackthroat seaperch (Nodoguro)

Golden cuttlefish (Sumi ika)

Lean meat of tuna (Akami)

Medium Fatty Tuna (Chutoro)

Spear squid (Yari ika)

Pen-shell (Tairagi)

Ark shell (Akagai)

Rediated trough-shell (Kobashira)

Common orient clam (Nihamaguri)

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Revision date: January 22, 2018

Some notes on chopstick manners

There are manners in using chopsticks that tourists may be unaware of. We would like to introduce some of those here.

First of all, it is impolite to place chopsticks on your dish in the middle of a meal. Make sure to place them back on the chopstick stand when you aren’t using them.

It is also poor manners to stab food with chopsticks (Sashi-bashi) and or to use chopsticks to look through dishes. Please avoid breaking up the beautifully arranged dishes when you eat.

The improper use of chopsticks

1. Passing foods (Hiroi-bashi or Awase-bashi): Never use your chopsticks to take something from someone else’s chopsticks. This way of passing things relates to Japanese funerary customs (Kotsuage).

2. Drawing plates or bowls near you (Saguri-bashi): Don’t draw a plate or bowl toward you with chopsticks.

3. Touching foods unnecessarily (Utsuri-bashi): Don’t touch foods with chopsticks unnecessarily without eating them.

4. Scooping: Don’t scoop up food by using chopsticks like a spoon and bring them to your mouth.

5. Shoveling food into the mouth (Komi-bashi): Don’t put your lips on a plate or bowl and shovel food into your mouth with chopsticks.

6. Picking up plates or bowls while holding chopsticks (Nigiri-bashi): Don’t pick up a plate or bowl while holding chopsticks.

7. Pointing at someone (Sashi-bashi): Don’t point at someone with chopsticks.

8. Laying chopsticks across a plate or bowl: Don’t lay chopsticks across a plate or bowl.

9. They stuff their mouth full of food and push it in with chopsticks (Oshikomi-bashi).

10. Lick the chopstick tips (Neburi-bashi).

11. Hold it with chopsticks while dripping the cooking juices (Namida-bashi).

12. Eating the same food over and over again (Kasane-bashi).

Related contents: SUSHI RESTAURANT ETIQUETTE

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Revision date: March 1, 2024

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Tuna was not a premium fish during the Edo period!

During the Edo period, tuna was not highly valued as a sushi topping and it was referred to as “Gezakana” meaning that it was inferior to normal fish. The reason was the big size of the tuna. At this time there was no ice, so tuna had to be salted. It was cut into blocks, salt was spread all over and in it, and that was it. At Uogashi (the market prior to Tsukiji) it was treated at shops that specialized in salting fish. The dark, discolored, salty chunks of flesh really were nothing but “Gezakana*”.

*Gezakana －Relatively low-cost sushi ingredients, such as gizzard shad and horse mackerel. Bluefin tuna used to be also called gezakana in the Edo period, for losing its freshness easily.

Related contents: TYPES OF TUNA

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Revision date: December 30, 2017

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