How long can Sushi last if stored in a refrigerator?

Sushi is a dish that is different from other dishes in Japanese cuisine. It is a dish where the shelf life is very short.

Sushi should be eaten the same day it was purchased and there are several reasons.

Raw fish included in sushi together have shelf life as beef Tatar. Since there will be more bacteria in the food the next day.

Avocado is a raw material that quickly turns brown and dull. Most people know what half an avocado looks like the next day if it is not stored in the “right” way.

The individual rice grains also change in taste. The next day, the individual rice grains will be harder to chew.

At the Sushi course for beginners you will learn how to make tasty sushi that you can enjoy for lunch and dinner.

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Zoë has held sushi courses and cooking classes for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

Can fish from the supermarket be used for sushi?

The short answer is no, you should not use frozen fish from the supermarket for sushi. There are several good reasons for this.

  1. You don’t know the quality

    For sushi, the fish must be of the absolute highest quality, because it is eaten raw. When you buy a frozen pack of fish at the supermarket, you cannot tell what quality the fish had before it was frozen.
  2. You don’t know where the fish was caught

    The marine environment has a major impact on the quality of the fish. Polluted waters can affect both taste and safety. On most frozen packages, it is not clearly stated under what conditions the fish was caught or lived.
  3. You don’t know when the fish was caught

    When making sushi, freshness is crucial. But on frozen packages, you rarely see the catch date – only an expiration date. That means you lose important information about the fish’s freshness.

Making sushi requires the right ingredients especially when it comes to fish. It can be difficult to assess on your own which fish are fresh enough, where they come from, and whether they are suitable for sushi.

That’s why we recommend learning it in a course, where you gain both knowledge and practical skills.

In our Sushi course for beginners, you’ll learn, among other things, how to choose the right fish and how to safely make delicious sushi at home.

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

Is there a big difference in rice for sushi?

There is a big difference in sushi rice.

There are many countries that grow sushi rice. Japan, the United States, China and Korea grow large quantities of sushi rice every single year.

Within each country there are many different types of sushi rice. It can be compared to if you buy a bottle of white wine from France. In France, there is not just one who produces white wines. No, there are many different types of grape and wineries that produce white wines.

Like grapes for white wines, there are also types of sushi rice that are complex, ie. very difficult to cook and that has an impact on sushi restaurants, but also for you at home who want to make cook quality sushi rice.

In the Sushi course for beginners, you learn step by step how to cook sushi rice, so that the rice you cook at home is of a quality that is suitable for sushi.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

What types of vegetables do sushi chefs use in Tokyo when making sushi rolls?

Japanese sushi chefs in Tokyo use different kinds of vegetables when making sushi rolls.

In Japan, local vegetables are often used when making sushi rolls.
There are some vegetables that are more popular than others. They are part of Japanese culture and have a very special meaning for the people.

Shiitake mushrooms and pickled Japanese plums are often used in sushi rolls.

Shiitake mushrooms are marinated before being used for sushi. In sushi restaurants in Tokyo, they are used in large sushi rolls also called futomaki.

Pickled plums with a slightly salty taste are a delicacy in Japan. It adds unique flavors and aromas to food. Pickled plums are also used in sushi rolls. In sushi restaurants in Tokyo, they are used in the smallest sushi roll also called hosomaki.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

How many different kinds of tuna do sushi restaurants have in Japan?


In Japan, sushi restaurants have several different kinds of tuna on the menu. In Japan, fish is the main source of protein and fish oil. During a week, the Japanese eat a lot of fish. They eat as much fish as meat is eaten in Europe.

Like so many others, the Japanese are happy to be able to choose from several different fish. One of the fish that stands out is the tuna. The meat on the tuna tastes very different depending on where it sits on the fish. Tuna from the stomach is called toro, it is fat light pink tuna and, is an exclusive eat.
Low-fat tuna which is bright red in color is called Akami, it sits at the spine. That piece is used for sashimi and nigiri pieces. That way, the meat pieces can be prepared and eaten in different ways.

The reason why sushi restaurants in Japan have several different pieces of tuna to choose from is that most of the tuna in the world lands at the Tsukiji fish market in Tokyo, which is the largest in the world.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

Do all restaurants in Japan use the real Japanese wasabi?


I have been traveling to Japan since 2004 to broaden my horizons and, learning new things from my Japanese teacher. Under normal circumstances, I travel to the Japan every year and on my many trips, I have had many gastronomic experiences ranging from everyday sushi to 2 star Michelin restaurants.

Real wasabi is widespread in Japan. However, not all restaurants use the real wasabi, even in Japan. Usually only Michelin sushi restaurants use the real wasabi.

I have tasted the real wasabi several times in Japan and, I cannot taste the difference. The strong taste disappears a little faster when it comes to the real wasabi.

Wasabi is a horseradish that grows in Japan. It has difficulty growing outside of Japan and therefore artificial wasabi is used. In Denmark, artificial wasabi is widespread it is only a few restaurants that import wasabi from abroad.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

Learn how to make sushi that can be enjoyed all year round!

Sushi is a dish that stands out from most other meals prepared in a kitchen.

It is enjoyed cold all year round, whether for lunch or dinner. This places unique demands on the ingredients used in its preparation—they must be as fresh and high-quality as possible.

Sushi is one of the few dishes that can provide your body with essential vitamins and minerals in a single meal, without compromising on taste or requiring a fully vegan approach.

Additionally, sushi is highly customizable, allowing you to use exactly the ingredients that make it your favorite.

However, there are certain ground rules.

Japanese culinary techniques play a crucial role in ensuring you get the best possible flavor and value for your ingredients. There is a world of difference in taste between self-taught methods and the techniques used by professional sushi chefs in Tokyo.

At Sushi Course for Beginners, you will learn, step by step, the same techniques that Japanese sushi chefs in Tokyo use when preparing sushi for their guests. With these techniques, you will be able to create your favorite sushi using your preferred ingredients—just like a true sushi chef.

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

What is most often eaten on New Year’s Eve in Europe?

What is most often eaten on New Year’s Eve depends somewhat on where in the country you live, there is a big difference between what family and friends eat on New Year’s Eve in countryside and in the capital.
For many years, the New Year’s menu has often consisted of beef tenderloin as a main course, a starter with fish or shellfish and a delicious dessert. A number of years ago I began to see a shift. Especially in recent years, it has gained momentum.

Times have changed in Denmark. Today sushi is the dish most often served on this special evening. On the last evening of the year, most people want to enjoy a delicate and tasty dinner. For many, fish, shellfish and bubbles are particularly delicious.
A sushi dinner can be put together in many different ways so that everyone who takes part in the dinner leaves the table full and happy.

The last sushi course of the year will be held on 18 December. You learn step by step how to make tasty sushi from scratch. You will also get tips on where to find ingredients that are also suitable for a New Year’s dinner.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

How many styles are there in Japanese sushi?

Sushi chef & sake sommerlier Zoë Escher
In Japan there are several different sushi styles several more than in Denmark.
The range between lower quality sushi and very high quality sushi is very large.

At the very top you will find sushi restaurants that are so exclusive that they are too good to be in the Michelin guide. Then you will find exclusive sushi restaurants, which have been given a place in the Michelin guide.

Then you will find 5 different quality levels of sushi restaurants.
In general, the level for every type is very high, yes even the lowest level will be high compared to Europe.

Sushi in Denmark which is considered exclusive gourmet sushi is everyday sushi in Japan. This is because sushi has its origins in Japan, there are many sushi restaurants and the competition between the restaurants is fierce.

In the Sushi course for beginners, you learn step by step to apply the techniques used by Japanese gourmet sushi chefs.

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.

What kind of sushi is most popular outside of Japan?

There is a certain type of sushi that is very popular outside of Japan, it is sushi rolls.

In most of Europe and especially Denmark, sushi rolls are very popular.
In Europe, we do not eat as much seafood as the Japanese. It takes less fish to eat before we are satisfied and happy. This makes sushi rolls an obvious choice.

Sushi rolls can be made in many different ways with fish and shellfish.

In Japan, it is normal to use local ingredients for sushi such as mushrooms and plums.
In Europe, local ingredients are also used for sushi like different kinds of vegetables you will find on the menu in sushi restaurants.

The most important thing is that sushi rolls are made from ingredients that complement each other in this way, so that it becomes a tasteful experience to eat the food.

Read more about Sushi course for beginners

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Zoë has lectured and held sushi courses for A. P. Moller – Maersk, Hugo Boss Nordic, Novo Nordisk, Novartis, Velux, Gorrissen Federspiel, Beierholm revision, Elbek & Vejrup and many more.