how long does miso paste last in the fridge

How Long Does Miso Paste Last?

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How long does miso paste last in the fridge? Miso is a fermented bean merely soybean, grains, salt, and koji which originated from Japan.

It is a traditional Japanese seasoning that plays an important dish role in Japanese cuisine. You can check it out here at amazon stores.

Are you tired of having to eat the only fish sauce and you are searching for a substitute? Or you’re finding it hard to get a seasoning with funky salty-sweet earthy and fruity taste?

Then search no further because miso paste is just at your doorstep waiting for you to use it, like those Santa Claus waiting at your doorstep to present you your gift.

In this article, we have come up with different sections to make you understand the shelf life and its storage.

Ranging from how long does miso paste lasts in the fridge, counter, freezer, how to tell if it is bad, how to store miso paste to last long, and many more you don’t want to miss.

Read, comment, and do not skip a line.

So, how long does miso paste last in the fridge?

Miso paste lasts in the fridge for 1 to 2 years, before going bad if you store them properly in the right conditions necessary in the refrigerator.

Unopened miso paste will last long in the fridge but you can only know when it will become worse if you check for the expiration date.

This is because the expiration date can tell you when miso paste will be good for or when it will go bad for use.

Storing your veggies and fruits, I suggest you get these items for keeping them;

How Long Does Miso Paste Last In The freezer?

Miso paste lasts in the freezer for 2 to 3 years, before going bad if you store them properly in the right conditions necessary in the freezer.

It is advisable to always check the expiration date on the pack since it is not open,

This will help you to know for how long it will last.

You know I’ve not been to Japan once, but I have this belief that I am a citizen of Japan,

This is because I’ve tried out one of their delicacies and one of them is this.

Do you wish to become a citizen like me? Why don’t you try out roasted pumpkins?

Then try out one of their cuisines and that will give you an idea of what their food tastes like.

I believe before you blend into a particular place their food first plays a big role before their lifestyle comes in.

And if you can’t try their food out, be ready to die of starvation(just my thought though).


So, if you are thinking to go to Japan one day start giving their food a try, and the Japanese will love yours too.

Miso paste is a great seasoning and you may think that it freezes well in the freezer,

My answer is no! This food ingredient doesn’t freeze well, so don’t think of dethawing.

But it will just do fine in the freezer even if it doesn’t freeze well.

How Long Does Miso Paste Last At Room Temperature( On The Counter)?

Miso paste will last on the counter for 6 months to 1year since it’s not open, before going bad if you store them properly in the right conditions necessary at room temperature.

Like I will always say, check the expiration date to know when to use it before going bad and leading to wastage.

Though, storing it on the counter can result in it going bad quickly when it comes in contact with direct sunlight or high heat content.

To avoid get this, when it is not open transfer it to the fridge or freezer for longer storage.

Miso paste is versatile in dish preparation.


You can use it in dressings or preparing a salad, you can also use it as an additive in soups, and it makes a perfect meal for vegans.

It works better when taken as breakfast especially if it is hot.

How Long Does Miso Paste Last After Opening?

Miso paste after opening will last on the counter for 1 to 2 weeks, before going bad if you keep it properly in the right conditions in the pantry.

Once opened miso paste will last in the fridge for 3 to 6 months, before going bad if you keep it properly in the right conditions necessary in the refrigerator.

Once opened miso paste will keep fresh, and have a shelf life of 8 to 12 months, in the freezer before going bad if you store it properly in the right conditions necessary in the freezer.

The storage life of these food ingredients differs in storage conditions, your result may not be the same as mine.

Either way, don’t panic as long as your food ingredients are safe and I will tell you how to know if it is still good to eat or too bad to trash.

Your motive for this food ingredient will change if you get to discover that it lasts different temperature ranges.

When it is open, don’t worry too much because it is not going bad soon.


If you have any leftovers on the ground, transfer them to a container with a tight lid and store them in the freezer.

How To Tell If Miso Paste Is Bad?

Although miso paste is a preservative and has a long shelf life that doesn’t mean it will not go bad.

Improper storage and lack of care can cause miso paste to go bad in a short period.

Here are some tips on how to store miso paste in the fridge, freezer, and on the counter;

Color Change

A perfect show on color is your soup, if it turns south the color will not be as usual.

In this case, try to check out the color of these food ingredients, if you notice that there’s a slight change in the color don’t conclude yet.

Wait until other signs of it going bad proves positive.

If it changes totally from the original color and you can see some visible molds, discard it immediately.

Leakages In Containers

This affects anything that you keep in a container frequently.

Leaking or bulging containers attracts insect, molds, and other harmful microorganisms.

Look carefully and check if you can locate the areas that the containers are leaking.

When you identify it, switch containers for it but if there are some visible molds on it, discard immediately.

Off Smell

I love the smell of Miso paste but I dislike it if it turns south.

When this food ingredient is fresh and healthy, it smells nice and it will lure your appetite.

What happens if it is bad?

This food ingredients smell will be off, putrid, and stinking.

At this point, throwing it out is the best alternative.

If Miso Paste Becomes Too Watery

Normal paste is always thick like that of pap or custard.

What happens if this food ingredient becomes too watery?

It is a sure sign that these food ingredients are bad, toss them immediately.

The Taste Will Tell

Taste is very important in any meal. If it is tasteless you can’t eat the food.

So, taste this food ingredient to know if it deviates from the original taste it if it has turned sour.

When it turns sour, get rid of it.

If It Stays Too Long In The Fridge, Freezer, And On Counter

In any form, you keep miso paste, be it open or unopen,

Do not allow it to stay too long in the fridge, freezer, and pantry without conducting a routine check.

This is because when you leave it for too long in the storage place, it may go bad without your notice.


How To Store Miso Paste To Last Longer?

Health is wealth. Eat well and stay healthy.

Here are some steps on how to store miso paste to make it last in the fridge, freezer, and on the counter;

Before purchasing miso paste,

  1. Always check the expiration date and select only the ones whose expiration date Is far from the day of purchase.
  2. Select a dark-colored variety than a light-colored one because the dark-colored variety will do well in storage and last longer.
  3. Keep miso pastes in an airtight container ensuring the lid is sealed tightly place in the fridge or freezer.
  4. Store in a cool and dry place.
  5. Once opened miso paste in sachet should be transferred to an airtight container and store in the fridge or freezer.


Thinking of what you can get out of Miso paste is a good approach to healthy eating habits.

In this phase, I will talk about what you can gain from adding this food ingredient to your meal in line with the topic” how long does miso paste last in the fridge ”

It is interesting to know that this food ingredient may help to fight certain cancers, improve your gut health, and may increase your vitamin levels.

Do not alter this shelf life estimates with your medical advice, if you eat bad fruits, food, vegetables, and juices see a doctor.

This shelf life estimates source comes from personal experience, experiments, journals, and researches from other high-profile websites.

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4 thoughts on “How Long Does Miso Paste Last?”

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