Easy Pickled Red Onions

pickled red onions in a jar with a gold fork next to it and an onion in the background.

5 from 2 reviews

These easy pickled red onions are so simple to make with just a few ingredients, and add a pop of flavor to tacos, salads, and more! Includes a quick pickling option. (gluten-free, nut-free, dairy-free)




  1. Very thinly slice onion and pack tightly into a glass jar with a lid.
  2. Heat the water to boiling. Mix with the vinegars, salt, sugar, and mustard seeds. Stir until the salt and sugar are dissolved.
  3. Pour the hot liquid over the onions, covering them completely. Close the lid and give it a little shake.
  4. Refrigerate onions overnight.
  5. Store tightly sealed in the refrigerator up to 2 weeks.


Keywords: easy pickled onions, pickled red onions, quick pickled onions

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