What causes freezer burn?

How can I tell if meat has freezer burn?


Freezer burn is just the food being dehydrated. Most meat will change color, and it becomes very obvious if you defrost it. It's not unsafe: just yucky.

  • If it's just dehydrating it, why can't you just add water back in (eg. cook/soak it in liquid)?
    – Double AA
    Dec 9 '15 at 16:07
  • @DoubleAA no you can't. The surface gets dehidrated, its texture changes in an irreversible way.
    – Luciano
    Sep 24 '18 at 10:53

Leaving foods unwrapped or directly exposed to the air in your freezer/refridgerator will contribute greatly to freezer burn - try to put leftovers in containers or wrap them to ward against freezer burn :)

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