How to make onions soaked in vinegar

Prepare an onion, peel it and cut off both ends.

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Cut onions into shreds.

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Soak in cold water for a while, then remove and drain.

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Then put the onions into the container.

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Pour in appropriate amount of vinegar and mix well before serving.

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If you can't finish it, you can cover it and put it in the refrigerator.

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