Sushiblog－Sushiuniversity

Striped marlin (Makajiki)

Japanese icefish (Shirauo)

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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Is sushi eaten with your hands? Or should you use chopsticks?

Sushi was originally a food eaten with your hands. Even, for example, if you are in a prestigious sushi restaurant in Ginza, you can still eat with your hands. You can actually use your hands to eat the ginger too. Restaurants that prefer you to eat with your hands will provide an extra, smaller towel for cleaning your hands between sushi, along with the normal hand towel (Oshibori towel). Even then, feel free to use chopsticks if you prefer.

Anyway, using chopsticks for the first time can be challenging, but don’t worry – here is the ultimate guide to becoming an expert at picking up your favorite sushi without damaging it. You’ll learn how to use chopsticks like a pro.

Follow these simple steps to use chopsticks like an expert:

Hold the chopsticks by their thickest end.
Place the chopstick on the lower end of your hand in the gap between your thumb and index finger.
The chopstick on the top goes on the fingerprint of the thumb and index finger.
To pick each piece of sushi, move the upper stick with the help of your thumb, index, and middle fingers.

Follow the steps above and soon, you’ll be the one teaching your friends! Now you know how to pick up sushi with chopsticks!

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Revision date: September 14, 2023

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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.

Prior to WWII, there were chefs whose only job was making vinegar rice!

From the end of the Edo period through the Meiji period, rice was cooked using firewood and a pot. It is not easy to get the fire at the right temperature and the rice has to be cooked to the same texture regardless of where it came from or the size of the grains, so at the time the task required a skilled chef. Therefore, there were “Shari-ya” employed by sushi restaurants who specialized in cooking rice. “Shari-ya” focused on this single task and were not involved in the actual making of the sushi after the rice was passed on to the chefs.

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)

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.

10 pieces of sushi we recommend for January

This is a list of 10 must-try sushi toppings in January. Tai is always served at celebratory occasions in Japan.

Longtooth grouper (Kue)

Red seabream (Tai)

Sakhalin surf clam (Hokkigai)

Botan shrimp (Botan ebi)

Mirugai clam (Mirugai)

Ark shell (Akagai)

Japanese oyster (Kaki)

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Revision date: November 6, 2020

What makes a good sushi chef?

The balance between Shari (vinegar rice) and the topping is important in sushi. No matter how good the topping, the sushi won’t be good if the Shari isn’t right for it. More restaurants have been using red vinegar lately, but even if you use a Shari with a strong taste like red vinegar, the balance will be destroyed if the topping has a weaker flavor. Seasoning that goes well with various toppings that doesn’t stand out too much is ideal.

It works the other way, too. If the Shari is too weak, the sushi won’t be delicious no matter how good the topping. Even if the topping is not premium quality, if the Shari is matched perfectly, the sushi will be perfect. In other words, a good sushi chef is someone who can make sushi with perfectly matching toppings and Shari.

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Revision date: December 18, 2017

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Why do some sushi toppings have ginger instead of wasabi?

Ginger is used for toppings with a strong, distinct taste and strong fishy smell such as bonito, horse mackerel and sardines.

Wasabi has a spicy taste and stimulates the senses of taste and smell and works to dull the senses so the fishy smell is not felt, but ginger is effective in actually extinguishing the fishy smell.

Because the effect of wasabi is transient and difficult to sustain, it is not a good match for fish with a peculiar odor in some respects. For this reason, it is often used with white fish that have a lighter flavor.

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Revision date: January 13, 2023

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Where should I grab the sushi when eating with chopsticks?

Laying the chopsticks sideways as if scooping up the sushi distributes the strength and the sushi won’t break easily. If you grab it in the middle then there will be too much force on that part and it will break in two pieces. Make sure to eat this beautifully formed piece of sushi in one bite.

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Revision date: December 4, 2017

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10 pieces of sushi we recommend for December

This is a list of 10 must-try sushi toppings in December. The proficiency of a sushi restaurant can be distingusihed by the quality of the maguro they buy.

Red seabream (Tai)

Red gurnard (Houbou)