FAQS | Hikari Miso (2024)

What is miso, anyway?

Miso is a paste, based on Japanese traditions dated back to 1,500s. Miso is produced by fermenting soybeans with salt and a culture called ‘koji’ (KOH-gee). The koji culture is made with grains, typically rice. Some are made with barley or soybeans. Miso paste is considered both a flavoring ‘boost’ and an ingredient base.

How should I store miso?

The best way to store miso, considered a living food, is to keep it in the refrigerator. If you would like to store it in a freezer, the temperature must stay higher than 25F or -5C. The miso will not freeze and the aroma and flavor will not go away, if it is only stored in the freezer for a few months.

The color of my miso turned a bit darker a while after I purchased it. Why?

The darkening color of miso is caused by the ‘maillard reaction,’ which occurs when amino acids from soybeans chemically react with sugar and turn brown. Darkening of the color occurs rapidly especially in a warm environment. It does not pose any food safety threat.

So, how long can I keep miso?

Miso is a “preservative food,” that can be kept for a long period of time due to its salt content. If kept in your refrigerator, miso itself does not go bad. In terms of the quality of the taste, miso should remain relatively consistent for up to one year.

I’m not sure which type of liquid or broth (called ‘dashi’ in Japan) to use for miso soup. Help!

Relax. Miso is so easy. You can use water, chicken, beef, seafood or vegan broth as your base liquid for Miso Soup. To make a traditional dashi, which has special seasoning, it’s still super easy. Dashi can be made easily by using “dashi packets” or “granule dashi” that are sold in stores carrying Asian foods.

I’ve purchased instant miso soup but I’m not sure how to make it.

We offer two different varieties of instant miso soup. One has miso and ingredients in separate packets, and the other has miso and ingredients together in a packet. You can pour the contents of the packets into a cup, no matter which variety you’ve purchased. All you have to do is to add hot water, and it is done. Miso may stay on the bottom, so be sure to stir well. Some of our products may come with other ingredients such as dried leeks in separate packet. Please add them into a cup to enjoy, if you like. You might also choose to add chopped scallions for extra flavor.

How much salt content does one bowl of miso soup have?

The average salt content of miso is about 10% of its total volume. One bowl of miso soup has 1.3-1.6g of salt.

If I eat miso soup every morning, as is traditional in Japan, is that too much sodium in my diet?

Here is an answer from Consumer Reports News: “Miso, the main ingredient in that cloudy broth you may have had in Japanese restaurants, is relatively high in sodium, with about 630 milligrams per tablespoon. So if you are prone to high blood pressure, you might want to use the ingredient in moderation. But miso has a number of benefits that can make it part of a healthy diet, even if you are watching your blood pressure.”

So, what are those other health benefits Consumer Reports News references in the above answer?

From Consumer Reports News: “For one, miso, which is made from fermented soybeans plus salt and possibly rice or other grains, adds not only a salty flavor but a rich, savory, almost meaty taste that the Japanese call umami. That taste is common in full-fat dairy products, cooked meats, mushrooms, salmon, and other foods. So using miso can let you cut back on the salt and fat you add to your cooking while enhancing flavor.

Miso has other proven or possible health benefits, too. For one, the fermentation process not only adds flavor but also turns the ingredient into a probiotic, meaning that it’s full of potentially good bacteria. Growing research shows that probiotics can help maintain good digestive health. (But since high temperatures kill probiotics, it’s best to add miso as a finishing ingredient near the end of your cooking. Luckily, that’s how miso is often used in recipes.)

What is shio koji?

Shio koji is a mixture of malted rice (koji), salt (shio) and water used in Japan for centuries as a seasoning or ingredient.

Where could I purchase Hikari Miso products?

Please contact us through our Contact Form to find a store near you that carries our Hikari Miso products.

How do you select and manage suppliers?

Supply of soybeans are made by the contracted farmers and processors just focusing on food- grade NON-GMO soybeans. Farm field and processing facilities for soybeans and rice are audited by Hikari Miso food safety management protocol.

One of the management methods of non-genetically modified agricultural crops is generally IP handling system (Identity Preserved Handling.) IP handling system is the method of differentiating commodities, requiring that strict separation, from overseas farms to Japanese food manufacturer to prevent contamination at each stage of production and distribution. The certification is necessary as a proof.

Even this IP handling system is operated, it is not possible that we are sure that there is no “unintended contamination” at a distribution stage. That is why we employ the direct system where we containerize soybeans which are harvested at contract farms at collecting/ sorting factories and receive the containers directly at our factories. Even in this case, all documents such as seed certification, producer/ supplier certification, container transportation certification and distribution channel instruction are necessary.

FAQS | Hikari Miso (2024)

FAQs

How long does miso paste last in the fridge once opened? ›

Miso is a “preservative food,” that can be kept for a long period of time due to its salt content. If kept in your refrigerator, miso itself does not go bad. In terms of the quality of the taste, miso should remain relatively consistent for up to one year.

What temperature kills probiotics in miso? ›

To avoid cooking off the lactic acid when making miso soup, you can make sure to turn off the heat and cool the pot until 120°F-158°F (50C°-70°C) (the probiotics will die above 158°F/70°C). But most Japanese people don't take an exact temperature reading and turn off the heat when adding miso to the pot.

How much miso paste per cup of water? ›

A general rule of thumb is to use about 1 tablespoon per cup (U.S. measure, 236.5ml) or 1/4 l (250ml) but if you have a very salty red miso for example, you may need less. So when you are trying out a new miso, always add less than you think you need. It's easy to add more.

What is the difference between Awase and Shiro miso? ›

Awase miso, or mixed miso, is a blend of different types of miso paste. Typically, it combines white (shiro) miso and red (aka) miso, creating a balanced flavor profile. The combination of these two miso pastes results in a complex, rich, and savory taste that's loved by many.

How to tell if miso goes bad? ›

When miso goes bad, its flavor also changes. It becomes more sour and astringent. If the taste has changed from when you purchased it, it is evidence that it has gone bad and you should stop eating it. To avoid food poisoning, do not eat miso that has a sour smell, sour taste, or mold growth.

Does miso go bad unrefrigerated? ›

The shelf life is long, about 2 months in room temperature and 1 year or more in refrigerator. Also, there is a square paper under the top. That paper prevents oxygen from coming into miso and affecting it, so that it's better not to throw it away! If you already threw it, a plastic wrap also works well.

Is too much miso bad for you? ›

It depends on how much and which kind of miso paste is used to make the soup. If you buy packaged miso soup, compare and read labels to see how much sodium is in a single serving. Eating too much sodium can raise your risk of health problems, including high blood pressure, heart disease, and stroke.

Why should you not boil miso? ›

The aromatic qualities of miso – as well as some of the nutritional benefits – are damaged when boiled. This is why miso is traditionally stirred in at the final stage of cooking, either over a gentle simmer or heat with turned off.

Who should avoid miso? ›

Soy Allergy

Because miso is made with soybeans, those who are allergic to soy should avoid miso and other soy-containing products.

Can you just add boiling water to miso paste? ›

Adding it to boiling water will kill the probiotics in the miso, nixing the health benefits it typically offers, like better digestive health.

What is the best container for miso paste? ›

Container. Glass, food-grade plastic, wood, and stoneware are ideal materials for miso fermentation. The fermentation jar should be twice as large as the miso paste it contains. A wide opening also makes it easier to put the miso in the jar.

Why is miso paste expensive? ›

“Traditionally, rice miso is more expensive than barley miso, because the grain is more expensive,” explains Chung. Accordingly, wealthier merchants could afford to purchase more expensive miso made with rice, whereas farmers and townsfolk often ate miso made with millet, barley, or other common grains.

What can I use if I don't have miso? ›

Soy Sauce/ Aminos

Soy sauce is the most common substitute for miso paste. Miso is thick and creamy, whereas soy sauce is thin like water, but if texture isn't a factor, they are both made of soy and chock full of salty and savory notes.

Which miso is best for ramen? ›

What is the Best Miso for Ramen? White miso, or shiro miso is the best miso paste for seasoning ramen broth. It's less pungent and salty than the other darker varieties of miso paste. You can find white miso paste near the tofu and kimchi section of most well-stocked grocery stores.

What miso paste do sushi restaurants use? ›

Red miso is the most commonly used miso paste in restaurants but to get even crazier, some mix white or yellow miso with red miso so that you have a dynamic multilayered flavor of umami.

Can miso broth go bad? ›

For liquid miso broth, if it emits an off smell, changes color, or develops a slimy texture, then it's time to toss it. If it is in the form of a paste, look for any growth (like mold), a change in the color to a darker brown or any strong odd odor. When in doubt, it's safer to discard and replace it.

Is miso paste healthy? ›

The Bottom Line. A little dose of miso goes a long way to please your taste buds. It also may contain health benefits like improving digestion, supporting healthy immunity and even reducing risk of certain cancers.

Can you eat miso paste raw? ›

Can you eat miso paste raw? Grab a spoon and dig in – you CAN eat your miso paste raw! I often recommend this to people when they are trying a new variety or are considering which variety to use in a recipe. It's a great way to discover the unique taste of miso and how each variety differs in flavor.

What is the shelf life of soybean paste? ›

Homemade soybean paste in the traditional way does not have a set expiration date. The taste rarely changes in the middle, so you can eat it for years. When I get one, I usually leave it for over a year. Commercial products are marked 12 to 15 months from the date of manufacture.

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