How long do black olives last once they're opened?

Question

How long do black olives last after they're opened?

Answer

As with anything, proper storage will determine the answer to this. Olives are cured in salt and stored in a salty brine, both which extends their shelf life. They should be stored in an air tight container in the refrigerator.

Unopened cans of olives keep up to one year on a cool, dry shelf. Once you have opened a can, store the olives completely submerged in their own liquid in a covered air tight container in the refrigerator for up to a few weeks. Olives bought in bulk and stored steeped in oil keep several months in the refrigerator. Discard olives that have turned soft or are showing signs of mold.

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