Avocados are a breakfast favourite, whether you’re mashing them on toast or adding them to a smoothie, but working out how to keep them fresh can be tricky.
Most people don’t use an entire avocado in one go but then make the error of putting the remaining half in the fridge, which often results in it going off the following day. Fortunately, Attosa, a cook from Thrifty Fun, has revealed that storing avocados correctly to keep them “super fresh” is actually quite straightforward, as all you need to do is store them with a chopped onion.
She explained: “I’ve tried all the various methods of keeping my avocados and guacamole fresh, but this is by far the best yet.
“Keep a piece of cut onion in a container alongside your cut avocado or prepared guacamole and it will stay fresh and bright for several days.”
How do onions prevent avocados turning brown?, reports the Express.
Avocados tend to deteriorate rapidly due to a process known as oxidation, which occurs when the enzymes within the fruit react to oxygen.
When avocado slices are left exposed to air, the flesh will begin to deteriorate swiftly, causing them to turn brown and mushy.
Onions emit a small quantity of gas containing sulphur, which can disrupt these enzymes’ activity and reduces oxidation, meaning avocados remain fresh for much longer.
Onion slices won’t alter the flavour of an avocado, but are instead a straightforward method to prolong their shelf life for several additional days, or even up to a week.
Simply store your avocado in a container with an airtight lid, which will help trap the sulphur gases inside the storage area.
Next, place the avocado slice in the same container along with a few slices of onion.
It’s best to use white or red onions as they contain more sulphur than yellow onions, and will therefore be more effective at preserving the avocados.
Ensure the avocado and onion slices are not touching, then just pop it in the fridge.
This natural method helps keep avocados fresher for longer, so you can avoid wasting unused halves, save money, and reduce food waste.
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