Last Updated on July 12, 2023 by Shari Mason
Pickling is a popular method of preserving foods, including onions. Pickled onions are tangy and crunchy and add flavor and texture to various dishes.
One of the advantages of pickling is that it extends the shelf life of the food, allowing it to be stored in the refrigerator for several weeks.
But just how long do pickled onions last in the fridge? Let’s find out.
How Long Is Pickled Onion Good For In The Fridge?
Opened pickled onions  can last up to 3 weeks in the refrigerator if stored properly.
The shelf life of pickled onions depends on several factors, including the quality of the ingredients used, the type of vinegar used, the temperature of the refrigerator, and the cleanliness of the container.
It is essential to keep pickled onions in an airtight container, in the refrigerator, and away from direct light and heat to ensure that they remain fresh and safe to consume.
To be safe, it is recommended to smell and taste the pickled onions before using them to ensure they have not gone bad.
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How To Make Pickled Onions
- Choose the right onion. Red onions are the traditional choice for pickling, but you can also use white or yellow onions.
- Slice the onion thinly and set aside.
- Sterilize the jar you will use for pickling by washing it with hot soapy water and rinsing it thoroughly. Then place it in a pot of boiling water for 10 minutes to sterilize it.
- In a saucepan, combine the vinegar, water, sugar, salt, black peppercorns , garlic, bay leaves, and dill (if using).
- Heat the mixture over medium heat, occasionally stirring, until the sugar and salt dissolve.
- Once dissolved, remove the pan from the heat and let the mixture cool for a few minutes.
- Pack the sliced onions into the sterilized glass jar.
- Pour the vinegar mixture over the onions, ensuring they are completely covered.
- Seal the jar and let it sit at room temperature for 2 hours.
- After 2 hours, place the jar in the refrigerator and let it sit for at least 24 hours to allow the flavors to develop.
- Enjoy your pickled onions in a variety of dishes or as a snack.
Is It Okay To Freeze Them?
Freezing pickled onions is a viable option for preserving their flavor and longevity. However, it is essential to note that the texture of the onions may change upon thawing and become softer.
“An onion can make people cry but there’s never been a vegetable that can make people laugh.”– Will Rogers, American Vaudeville Performer
Despite this, the flavor will still be present, and the pickled onions can be used in various dishes. For best results, it is recommended to store pickled onions in the refrigerator as they will maintain their texture and flavor better.
Overall, freezing pickled onions is a convenient way to extend their shelf life and ensure that they are always on hand for use in cooking and other culinary creations.
Signs That Pickled Onions Might Have Gone Bad
- Off odors: If you notice any off or strange smells coming from the jar of pickled onions, it’s a sign that they may have gone bad.
- Mold growth: If you see any mold growing on the surface of the pickled onions, it’s a sign that they have gone bad and should be discarded.
- Changes in appearance: If the pickled onions have become slimy, cloudy, or have a yellowish or brownish color, it’s a sign that they have gone bad.
- Changes in taste: If the pickled onions taste sour, rancid, or have an off flavor, it’s a sign that they have gone bad and should be discarded.
- Bulging lid: If the lid of the jar of pickled onions is bulging, it’s a sign that the contents may have fermented and produced gas, indicating spoilage.
Tips On How To Extend Shelf Life Of Pickled Onions
- Proper storage: Store pickled onions in an airtight container in the refrigerator. This will prevent bacteria growth and slow down spoilage.
- Use sterilized jars: Always use sterilized jars and lids to store pickled onions. This will prevent contamination from bacteria and other microorganisms.
- Use a vinegar-rich brine: Pickled onions stored in a vinegar-rich brine will last longer than those stored in a weaker brine.
- Keep the lid tight: Make sure the lid is tightly sealed on the jar of pickled onions. This will prevent air from entering the jar, which can cause spoilage.
- Use fresh ingredients: Use fresh onions and spices to make pickled onions. This will ensure that they last longer.
- Check for spoilage regularly: Regularly check the jar of pickled onions for signs of spoilage. If you notice changes in appearance, taste, or odor, discard the onions.
How long do pickled onions last unopened?
Pickled onions can last up to 1 year when unopened and stored correctly in the refrigerator.
Do pickled onions spoil?
Pickled onions can spoil if they are not stored correctly or have passed their shelf life. The signs of spoilage include off-odors, discoloration, and mold growth.
Unopened pickled onions can last up to 1 year when stored properly in the refrigerator, while opened ones can last up to 3 weeks.
Inspecting them regularly for signs of spoilage, such as off-odors, discoloration, and mold growth, is essential. Freezing pickled onions is possible but may affect their texture and taste.
Proper storage and inspection can help extend the shelf life of pickled onions and ensure they are safe to consume.
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