As vegetables go, onions are some of the most imperishable: freshly harvested onions are capable of lasting for weeks or even months before going bad, all without the need for refrigeration or cold storage.
But can fried onions go bad as quickly as other foods? This guide will answer this and other questions about keeping your fried or cooked onions for as long as you can.
How Long Will Crunchy Fried Onions Last?
Perfectly crunchy fried onions can last for up to two weeks before going bad. These are cooked onions that, with no other ingredients, are heated (not burned) to a dry, crispy texture.
But these crispy fried onions need to be refrigerated in shallow airtight containers for the length of time they are in the fridge. You can also freeze fried onions if you want to keep them fresher for an indefinite period of time.
How Can I Fry Onions at Home?
Eating raw onions has great benefits as they have more nutritional value. Heat kills or denatures some of the vitamins and beneficial mineral ingredients but brings out their flavor.
You can use a little oil or butter to fry onions. But if you don’t like oil or butter in your caramelized onions for health reasons, it is still possible to make crispy fried onions using water alone.
Is There a Difference Between Cooked Onions and Fried Onions?
The term ‘cooked onions’ is often used interchangeably with fried onions. In reality, they are two different expressions. ‘Cooked onions’ is used to differentiate between onions that are raw, which can still be eaten in salads and dressings, and onions that have been subjected to heat to attain a consistency that is similar to other cooked dishes such as baked potatoes, tacos, or soups.
Fried Onions Last Longer Than Cooked Onions.
Fried onions are onions that have been subjected to heat until they are crispy or crunchy. This is done to ensure they last long and can be added to precooked meals for flavor. By frying them to a crisp, dry consistency, these onions last longer than ones that have been otherwise cooked.
How Quickly Do Fried Onions Go Bad at Room Temperature?
At typical room temperature, bacteria grow rapidly in cooked onions. Therefore, cooked onions should be discarded or refrigerated. This is because bacteria grow rapidly in onions that have lasted longer than two hours at room temperature.
How Long Should I Store Fried Onions?
To increase the shelf life of cooked onions, refrigerate them in shallow containers. Ensure the lids are fastened airtight to preserve the freshness. You can also boost the shelf life of cooked onions by keeping them in resealable plastic bags.
Should I Keep Sliced Onions in the Fridge to Absorb Bacteria?
It’s a myth that sliced onions absorb bacteria. Keeping uncovered onions anywhere (including in the fridge) will only encourage bacteria to multiply and is a recipe for food poisoning. So never refrigerate onions if they are not in an airtight container.
Should I Freeze Cooked or Raw Onions?
Onions are healthy whether eaten cooked or raw. So you can freeze onions raw or cooked too. If you prefer cooking with fresh onions but hate having to throw away leftovers, you will be glad to know that you can freeze chopped onions. Just put those chopped onions in a heavy-duty freezer bags and drop them in the freezer for next time.
Should I Freeze Whole Onion Bulbs?
You can freeze onions as complete bulbs, and they will keep fresh for as long as you want them to. But you may find freezing them like onion rings, chopped onions, or diced pieces great if you need to save space in your freezer.
How Do I Stop My Onion Rings From Getting Soggy?
Onion rings tend to get soggy as soon as you have finished cooking them. However, a renowned cookery expert has shown how to prevent this from happening.
She placed a paper towel on a cookie sheet with a wire rack on top in a demo. Then, as the onion rings finished cooking, she would place them on the rack where they would drain straightaway.
Frozen Cooked Onions
In the freezer, properly stored cooked onions will last and retain their freshness and flavor for over a year. Provided that you keep the freezer temperatures constant at no higher than 0°F, your cooked onions will last for an indefinite period of time and be good enough to eat.
Even when they are past the best of freshness for being frozen so long, cooked onions retain their nutritional quality.
How Long Can I Keep Pre-cooked Canned Onions?
Onions that have been precooked and canned can last even longer than the sort the onions you can fry at home. So the French’s Food Company LLC, a Rochester, New York enterprise with a hundred-year-plus pedigree of making the best sauces condiments, has established itself as the best packager of canned fried onions and mustard for the consumer market.
Where Do I Get Canned Onions in the Store?
You can get your favorite can of French fried onions on the canned vegetable aisle. They are most often sold alongside items such as mushrooms and green beans. If your store does not have a specialty canned vegetable aisle, you will find the canned onions with other condiments and food additives such as spices.
Do I Have to Keep French’s French Fried Onions in the Fridge?
French’s French fried onions can stay for many months in room temperature conditions. This is because, unlike the onions you have fried at home, these are packaged under sterile conditions.
Note that the shelf life of French’s French fried onions is only valid before the seal on the lid is broken. Once you open a can of fried onions, you need to keep it refrigerated. Even then, you should consume them in a matter of weeks or months.
How Long Can I Keep Canned French Crispy Fried Onions Before They Go Bad?
French’s crispy fried onions are made from real farm-grown onions and canned for long shelf life. A can of French’s crispy fried onions will retain its excellent flavor for up to two or three months, even after it has been opened. Therefore, ensure you keep your can of French fried onions in the fridge for the entirety of this time.
French’s Cheddar French Fried Onions
French’s introduced cheddar French fried onions in 2002. Made from fresh fried onions with cheddar seasoning and an assortment of dairy products and spices, this is a condiment rich in antioxidants and vitamins.
How Long Can I Keep French’s Cheddar French Fried Onions Before They Go Bad?
French’s canned cheddar French fried onions are made from onions fried to a crisp and canned in a sterile environment. Unopened, they can stay fresh for at least 18 months.
Once you have opened the can, you can still keep using them for a further three months, provided they are kept in an airtight container in the fridge.
How Should I Reheat Refrigerated Onions?
Previously refrigerated fried onions reheat best in the oven while cooked onions reheat better on a stove-top. Therefore, unless you choose, you should avoid using the microwave oven to reheat either.
As we have illustrated, you can store fried onions for a short, long, or even indefinite period of time without getting them spoiled.
Unless the onions are in their sealed container straight from the store, they need to be refrigerated in an airtight container or frozen. We hope these and other questions we have answered will enrich your experience cooking with onions.