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how to grate an onion

How To Grate An Onion

  • Author: William Mack
  • Total Time: 5 minutes
  • Yield: Varies


Learn how to grate an onion for the classic onion-y flavor that melts into a dish without adding a lot of chunks and texture.


  • Onions, 1 each


  1. Rinse onions under running water to remove any debris.
  2. Use a sharp knife to trim off the very top of the onion. Leave the root end intact.
  3. Use the flat top to stand the onion up and cut it in half through the root end.
  4. Peel away the skin and any bruised or damaged outer layers.
  5. Hold a handheld or box grater against your cutting board or in a bowl and shred the onion one half at a time, using the root end as a handle.
  6. Save the onion peels and stem for stock or discard.


If you don’t have a grater, rough chop the onion and pulse it in a food processor.

  • Prep Time: 5 minutes
  • Category: Knife skills
  • Cuisine: Any

Keywords: how to grate an onion, grated onion