how long does pickled onions last in the fridge

How Long Do Pickled Onions Last?

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So, how long do pickled red onions last in the fridge?

Pickled red onions last in the fridge for 12 to 18 months, before going bad if you store them properly in the right conditions necessary in the refrigerator.

If you are a fan of pickles, especially this one, you will agree with me that homemade pickles are better and tastier than purchased ones. Especially when they are stored in the fridge.

Check out these amazing storage jars for pickling veggies on Amazon, it’s way cheaper than you think.

Do you want your veggies to be readily available any time you need them?

You shouldn’t have to worry about the storage of these veggies anymore, for they will do well in the fridge.

Storing these amazing veggies in the fridge makes using them in the preparation of dishes easy and quick.

Peradventure you think storing them in the fridge makes their shelf to be short,

then transfer them to the freezer for longer storage.

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Sometimes, I wonder why the Greeks feasted onions for Olympic preparations, and the Egyptians used this vegetable spicy for their pharaoh’s burial.

Don’t forget that this spice in line with garlic, shallots, and leeks belongs to the family of allium.

At the origin, they were cultivated, in some parts of the United States, Italy, Turda, and Romania.

Kindly feel comfortable with these rhetorical questions.

Are you hoping to add this veggie to your burgers or salads?

Do you love the taste of this palatable veggie and wish to make it or buy it in bulk, but you are having storage problems?

Or your last option on this is to throw them out because you don’t want them going bad in the kitchen to cause discomfort?

Pickled onions don’t go bad easily.

This article explains and discusses if these veggies can be stored and how long they will last.

Ranging from how long pickled onions last in the fridge, freezer, and on the counter, how to tell if pickled onions are bad, how to store them to last longer, and many more you don’t want to miss.

Read up, comment, and do not skip a line.


How Long Do Pickled Red Onions Last In A Jar?

Pickled onions when stored in a jar and placed on the counter last for 1 to 3 months before going bad, if you store them properly in the right conditions necessary in the jar.

Storing pickled onions in a jar and placing them in the fridge will make them last for 4 to 6 months before going bad if you store them properly in the right conditions necessary in the fridge.

Pickled onions stored in a jar will last in the freezer for 6 to 12 months before going bad if you store them properly in the right conditions necessary in the freezer.

When storing this pickle in a jar, use a jar that has a tight lid and store it far away from direct sunlight.

If you store this veggie in a jar, you should place it in the freezer for longer and safer storage.

You can buy these amazing pickling spices at cheaper rates here on Amazon

So, they don’t go as quickly as possible.


How Long Does Pickled Red Onions Last Once Open?

Once open pickled red onions last on the counter for 1 to 2 weeks before going bad, if you keep them properly in their right conditions at room temperature.

Open pickled red onions will last in the fridge for at least 2 to 3 months before going bad if you store them properly in the right conditions necessary in the fridge.

Once open pickled onions will last in the freezer for 6 to 8 months before going bad if you store them properly in the right conditions necessary in the freezer.

When you happened to have open  veggies and couldn’t finish it all,

Store the leftovers in the freezer for a longer shelf life.

You can bookmark these and read them later;

  1. How long does fresh asparagus last in the fridge, freezer, and on the counter?
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  3. How long does shredded coconut last in the fridge, freezer, and counter?


How Long Do Pickled Red Onions Last In Vinegar?

Pickled onions stored in vinegar will last on the counter for 2 to 3 weeks if you meet the storage conditions required.

In the fridge, they last for 1 to 2 months before going bad if you store them properly in the right conditions necessary in the fridge.

And in the freezer, they last for 5 to 6 months before going bad, if you store them properly in the right conditions necessary in the freezer.

Vinegar in this veggie acts as a preservative keeping them fresh always,

Makes them last longer, and not go bad quickly.

If you make pickles with vinegar, they last longer than the ones made with salt and water.

Vinegar is the best advice for making pickles, so give vinegar a try today.

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How Long Do Pickled Red Onions Last In The Freezer?

Pickled onions last in the freezer for 2 to 3 years before going bad, if you store them properly in the right conditions necessary in the freezer. 

Storing these veggies in the freezer helps to maintain their quality and freshness.

It also increases their shelf life, so they can last longer,

And do not go bad easily.


How Long Do Pickled Onions Last At Unrefrigerated?

Pickled onions last at room temperature for 1 to 6 months before going bad, when stored in the right condition and proportion unrefrigerated.

This veggie is an onion that consists of vinegar, salt, water, and sugar.

We all know the function of the mixture between vinegar and salt in veggies or fruits.

So, whenever vinegar and salt are found in onion why won’t it last or do well no matter where it is stored?

To make use of this vegetable pickle immediately before going bad, then store it on the counter isn’t a bad idea because, with that, you can always see the pickles and have them in mind to use, and that will save you some cost.

This is because you have prevented it from going bad and then you have to think of buying or preparing what you never had plans for.

If you find storing pickles on the counter to be difficult and doesn’t last long, store them in the freezer for longer storage.

Some intriguing articles that you can find lovely to read;

  1. How long does tamarind paste last in the fridge, freezer, and on the counter?
  2. Does watermelon juice go bad in the fridge, freezer, and on the counter?


How To Tell If Pickled Onions Are Bad?

There are so many ways and factors to determine whether this pickled veggie is still good for eating, or bad to throw out due to improper storage.

Here are some signs to tell if Pickled onions are unfit for human consumption in the fridge, freezer, and at room temperature;

Presence Of Mold And Discoloration

Check the appearance of this great pickle.

When you discover that there is an appearance of mold,

Or any form of discoloration either dull or fading color, instead of the bright color.

Leaking, rusting, or bulging of containers or jars, such as pickle veggies is bad.

Discard them immediately and get fresh ones from the grocery stores. Or buy these affordable and high-quality ones from Amazon stores for just $5-$8

Off Smell

Check the smell of this veggie.

Another sign to tell if the pickles are bad is to smell them frequently.

When these veggies are having a bad smell, an offensive odor, or a rancid smell,

Such pickles are bad.

All you have to do is to throw them out as soon as possible.

If Pickled Onions Are Mushy And Too Soft

Check the texture of this amazing vegetable.

Another sign to tell if they are bad is to feel, touch, and hold them firmly.

When they are too soft, mushy, and slimy.

Such pickle is bad. Trash them immediately and get some fresh ones.

Off Taste

Did you taste it and it’s totally bad?

Check the taste of this pickled veggie.

Since you can be able to taste it raw and use them in salads,

Taste them, and when it has a bad taste, trash them all.

Do not spare them or want to economize anything, health is wealth.

If Pickled Onions Stay Too Long In The Freezer, Fridge, And On the Counter

Whenever pickled onions have been sitting for too long in the fridge or freezer,

It’s high time you throw them all out.

Do not eat any pickled veggie that shows any of the signs above.

Always check them before eating.


How To Store Pickled Onion To Make Them Last Longer?

Maintain food hygiene and food safety always.

Eat well and stay healthy. You can get some of your storage or pickling pieces of equipment by checking them out on Amazon stores.

Here are some tips on how to store your pickled onions to make them last longer in the fridge, freezer, and on the counter;

  1. Store pickled onions in a cool, warm, dark, and dry place with suitable temperature conditions,
  2. Storing them here will make them last longer.
  3. Before purchasing, always check for the best before the date to prevent quick spoiling of these veggies.
  4. When you are done preparing your homemade pickled onions,
  5. Store in a container with a tight lid or an airtight container and place in the fridge or freezer.

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What Do Fermented Red Onions Taste Like?

Fermented Onions Taste crispy and crunchy. It is milder than raw onions and preferred by people who are sensitive to raw onions. It has a bit of tangy and a bit of sweet aftertaste, but not as strong as raw onions.

Fermentation tames the lingering taste and smell of raw onions.

The description of the taste of fermented onions

Is somewhere in between the sweet smell of raw onions and the sweet taste of cooked onions.

It tastes perfect when combined with cheese or added to salads.

Fermented Onions are just the preserved form of raw onions and they last longer.


How Long Do Fermented Onions Last?

Fermented Onions will last for at least 2 months and at most 1 year in the refrigerator, for store-bought. Homemade Fermented Onions will last about 2 – 4 weeks in the fridge.

Store-bought fermented onions have printed dates

And it is recommended that you heed these dates and also trust your senses for judgment.

If you discover any mold, discoloration, or change in texture and aroma, discard it.

When fermenting, it is important to do it right so that it keeps for longer.

Pack in a jar and close tightly, then keep in a dark, cool place to ferment for about 1 week or more.

After fermenting, store in the fridge.

Ensure you stir onions every 2 days in the jar so that all parts are fermented.


How Long Will Canned Pickled Onions Last?

Canned Pickled Onions with lots of preservatives and the right storage conditions can last 12 to 14 months, unopened. But for best quality, use within 5 to 6 months if kept in a cool, dry place at room temperature, and 7 to 8 months if stored in the freezer.

If left on the counter, keep it at a suitable room temperature at all times.

Without canning, pickled onions won’t last at room temperature, it will be safer in the refrigerator.

For best results, canner water should be 140⁰F.

Preserved – pickled onions usually pickled in vinegar will last long, while quick-pickled onions will last only 2 to 3 days.

Note that canning is only safe for vinegar-pickled onions.


How To CAN Pickled Onions?

This is a very easy method to pickle onions;

  1. Wash onions, peel, and slice thinly.
  2. Heat vinegar brine.
  3. Fill the sterilized jars with the sliced onions and pour in the brine. Leave at least 1-inch space before the brim. Ensure the onions are submerged in the brine.
  4. Cover tightly and process in a water bath canner or pressure can for about 40 minutes until it seals.
  5. Cool for 12 – 24 hours undisturbed. Then test the seals and refrigerate any can that is not sealed.


How Long Do Homemade Red Pickled Onions Last?

Homemade pickles of red onions can stay for 2 to 3 weeks in the fridge, of the best quality. Red Onions give a whole different look to foods due to their vibrant color and they will last longer if pickled.

To preserve them, slice the onions thinly, then pack them into jars.

Heat vinegar, water, cane sugar, and sea salt on medium heat till they dissolve.

Then allow it to cool a bit before pouring over red onions in the jar.

Allow to cool and immerse for at least 1 hour and at most overnight before storing in the refrigerator where it will keep for as long as 3 weeks.


Why Do You Soak Onions In Brine Before Pickling?

Onions are soaked in brine for about twenty-four hours before pickling, to dehydrate the onion and make it crunchy before pickling. Brine is used specifically because it aids the growth of good microbes and destroys microbes that quicken spoilage.

Do You Have To Use Sugar When Pickling?

Sugar can be used while pickling but it’s just to add flavor and not compulsory. The mixture is meant to be salty, not syrupy to be effective.

It is advisable to add little to no sugar to reduce the syrup probability.

Here are some articles I think you will like to read on fruits, food, vegetables, and juices shelf life estimates;

  1. How long do pickled beets last in the fridge? Know how long pickled beets last in the fridge, freezer, and on the counter. How to store them and how to tell if they are bad.
  2. How long do dehydrated apples last in the fridge? Know how long dehydrated apples last in the fridge, freezer, and on the counter. How to store them and how to tell if they are bad.



How Long Do You Leave Onions In Salt Before Pickling?

Onion can be left in salt for two hours if thinly sliced and overnight if thickly sliced.


Which Is The Best Vinegar For Pickling?

Distilled white vinegar is the best vinegar for pickling because it is a nice aroma and the acidity doesn’t affect the color or leave a tint.


Is Apple Cider Vinegar Good For Pickling?

Apple Cider is good for pickling as its flavor blends appropriately with the acids. It has the perk of darkening vegetables quickly, which is why distilled white vinegar is preferable.


Why Do You Have To Boil Vinger For Pickling

You need to boil vinegar for pickling to allow it to mix properly, but it must not be overcooked to make it too soft.


Best Substitutes For Pickled Onions

If you’re looking for substitutes for pickled onions or want to add a different flavor to your dishes, there are several alternatives to consider.

Here are 10 substitutes that can provide a similar tangy, crunchy, or savory element:

  1. Raw Red Onions:
    • Thinly sliced raw red onions can provide a sharp and pungent flavor similar to pickled onions. They add a crunchy texture to salads, sandwiches, or tacos.
  2. Pickled Cucumbers (Pickles):
    • Pickles offer a tangy and crunchy substitute. You can slice them into rounds or strips to use in sandwiches, burgers, or as a side dish.
  3. Shallots:
    • Finely chopped or thinly sliced shallots have a milder flavor compared to onions. They work well in salads, dressings, and as a topping for various dishes.
  4. Pickled Radishes:
    • Pickled radishes have a similar tanginess and crunch. They can be used in salads, tacos, or as a colorful garnish for various dishes.
  5. Vinegar-Soaked Red Cabbage:
    • Thinly sliced red cabbage soaked in vinegar can offer a vibrant and tangy alternative. It’s great for adding color and flavor to salads or tacos.
  6. Lemon or Lime Zest:
    • Citrus zest, especially from lemons or limes, can provide a bright and zesty kick to dishes. Sprinkle it over salads, fish, or grilled meats.
  7. Sautéed Mushrooms:
    • Sautéed mushrooms can add a savory and umami-rich element to dishes. They work well in sandwiches, wraps, or as a topping for steaks.
  8. Green Onions (Scallions):
    • Chopped green onions or scallions can offer a milder onion flavor. They work well in salads, soups, and as a garnish for various dishes.
  9. Garlic Confit:
    • Slow-cooked garlic confit in oil provides a soft, mellow, and savory flavor. Use it as a spread, or topping, or mix it into dishes for a rich taste.
  10. Sliced Jalapeños:
    • Pickled or fresh sliced jalapeños can add heat and a tangy kick to your dishes. They work well in tacos, sandwiches, or as a topping for nachos.

Feel free to experiment with these alternatives based on your taste preferences and the specific dish you’re preparing.

Benefits Of Pickled Red Onions

Pickled red onions offer a burst of flavor and can be a versatile addition to various dishes. Here are some potential benefits of including pickled red onions in your diet:

  1. Enhanced Flavor: Pickling red onions imparts a tangy and slightly sweet flavor to them. The process of pickling involves immersing the onions in a mixture of vinegar, sugar, and salt, which enhances their taste and makes them more interesting in comparison to raw onions.
  2. Topping for Various Dishes: Pickled red onions make a fantastic topping for a wide range of dishes. From salads and sandwiches to tacos and burgers, the vibrant color and tangy taste can elevate the overall flavor profile of the dish.
  3. Improved Digestibility: Some people find that pickling onions can make them easier to digest compared to raw onions. The pickling process may help break down compounds that can cause digestive discomfort for some individuals.
  4. Rich in Antioxidants: Red onions, in particular, are rich in antioxidants, including quercetin. Antioxidants help neutralize free radicals in the body, potentially reducing oxidative stress and inflammation.
  5. Potential Anti-Inflammatory Properties: Quercetin, found in red onions, is known for its anti-inflammatory properties. Including pickled red onions in your diet may contribute to a diet that supports overall anti-inflammatory effects.
  6. Digestive Health: The fermentation process involved in pickling can introduce beneficial probiotics that support gut health. A healthy gut microbiome is linked to various aspects of overall health.
  7. Low in Calories: Pickled red onions are relatively low in calories. If you’re looking to add flavor to your dishes without a significant increase in calories, they can be a good choice.
  8. Versatility in Culinary Applications: Pickled red onions are versatile and can be used in a variety of culinary applications. They work well in salads, wraps, sandwiches, tacos, and even as a garnish for grilled meats or seafood.
  9. Long Shelf Life: Once pickled, red onions can have a longer shelf life compared to fresh onions. This allows you to have a flavorful and convenient ingredient on hand for various dishes.
  10. Beautiful Presentation: The vibrant pink or magenta color of pickled red onions adds visual appeal to dishes. This can enhance the overall presentation of your meals, making them more appetizing.

While pickled red onions offer these potential benefits, it’s essential to consume them in moderation, as pickling solutions may contain added salt and sugar.

What Happens if You Eat Expired Pickled Onions

Eating expired pickled onions may pose some risks, depending on various factors such as the method of preservation, storage conditions, and the extent of spoilage.

Pickled onions are generally preserved in a solution of vinegar, salt, and sometimes sugar, which helps extend their shelf life.

Consuming expired pickled onions could lead to the following issues:

  1. Quality Degradation: The primary concern with consuming expired pickled onions is a decline in quality. Over time, the texture, flavor, and overall quality of the pickled onions may deteriorate. They may become mushy, overly soft, or develop an off taste.
  2. Spoilage: If pickled onions are not properly preserved or if the storage conditions are inadequate, they may spoil. Signs of spoilage include the presence of mold, off smells, or a color change. If any of these signs are observed, it is advisable not to consume the pickled onions.
  3. Bacterial Growth: While the acidic environment created by the pickling solution helps inhibit the growth of harmful bacteria, there is still a possibility that bacterial contamination could occur over time, especially if the container is damaged or not properly sealed.
  4. Foodborne Illness: Consuming expired or spoiled pickled onions could potentially lead to foodborne illnesses. Symptoms of foodborne illnesses may include nausea, vomiting, diarrhea, stomach cramps, and in severe cases, more serious health issues.


In this phase, I will tell you more about the health benefits of these amazing pickles.

Onions as a whole are highly rich in nutrients and cancer-fighting properties,

Full of antioxidants and beneficial to heart health is one thing you wouldn’t play with red onions for.

This amazing veggie contains some antibacterial properties and helps to boost digestive health.

In terms of supplying potassium, this pickle in an ordinary form will help to boost the density of bones and may help to control sugar levels.

What I like about this veggie is that it’s always easy to add to your diet with its unique color.

Do not alter our shelf life estimates with your medical advice.

If you eat bad fruits, veggies, juices, and foods see a doctor.

Our shelf-life sources come from personal experience, experiments, journals, and research from other high-profile websites.

Maintain food hygiene and food safety always. Eat well and stay healthy.

Remember, I started with the question ”how long do pickled red onions last?”

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