The One Natural Item That Keeps Avocados Green for Days!
Onions release sulfur compounds
, which slow down oxidation — the main cause of browning in avocados.
Sulfur acts as a natural preservative
, keeping the avocado fresh without any chemicals.
Just a few slices of red or white onion
in the storage container can do the trick.
Place the avocado cut-side up
on top of the onion slices — avoid direct onion contact if you don’t want flavor transfer.
Use an airtight container
for best results — it traps the helpful gases and limits air exposure.
Refrigeration is key
— the cool temperature plus the onion's sulfur helps double the preservation.
This method works for both halves and guacamole
, just layer the onion slices below the mix.
No onion taste?
Don’t worry — as long as the avocado doesn’t touch the onion directly, flavor stays unchanged.
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