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How To Clean Your Wooden Cutting Board So It Stays Fresh

Emma Loewe
mbg Senior Sustainability Editor
By Emma Loewe
mbg Senior Sustainability Editor
Emma Loewe is the Senior Sustainability Editor at mindbodygreen and the author of "Return to Nature: The New Science of How Natural Landscapes Restore Us."
Image by Ali Harper / Stocksy
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September 28, 2020

As the workhorse of any chef's kitchen, cutting boards tend to take a beating. Wooden cutting boards are popular because they're strong enough to resist wear and tear from knives. Some 1990s research in the Journal of Food Protection found that since wood boards tend to have fewer cuts and scratches, they trap less bacteria and are easier to clean. However, another decades-old study presents a counterargument: Wood's tendency to retain water makes it a breeding ground for germs.

We're missing more recent research on the microbial load of wooden cutting boards (open call to scientists everywhere), but for now it's safe to go ahead and assume that you should be regularly cleaning yours. Here, green cleaning expert and founder of The Eco Hub Candice Batista shares her favorite tips for cleaning, disinfecting, and maintaining the prep surface.

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After every use:

Every time you use your cutting board, Batista recommends wiping it down with hot, soapy water afterward. Then, be sure to dry it off well using a dishcloth. Don't air dry, as it can allow water to seep into your board and causes germ buildup and decay over time.

Just as you don't want to place a wooden cutting board in the dishwasher, you don't want to leave it sitting in water in your sink either, so be diligent about this quick rinse, and dry after use.

Every two weeks:

In addition to regular wipe-downs, you'll want to more thoroughly disinfect your board every few weeks—especially if you use it to cut raw meat. In fact, it's probably a good idea to designate separate boards for meat and plant-based prep, and disinfect the former more often.

To do so, you can either apply a thin layer of 3% hydrogen peroxide to your board (or use a DIY disinfecting wipe), allow it to sit for a few minutes, then wipe off with a dry sponge, rinse with warm water, and dry thoroughly. If you don't have any hydrogen peroxide on hand, apple cider vinegar or white vinegar can be used as alternatives, though they will be slightly gentler subs.

If it's your first time applying hydrogen peroxide or vinegar to your board, do a small test patch first to make sure it doesn't damage the wood.

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Once a month:

Every month or so, Batista will scrub down her wooden board with a more abrasive mixture to pull up any lingering residue. This is a good technique to use any time your board is starting to smell, too:

Ingredients:

  • ⅓ cup coarse salt
  • Half a lemon
  • 1 tbsp. baking soda (optional)
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Method:

  1. Sprinkle the salt on a clean board and let sit for about 10 minutes.
  2. Use your lemon half to scrub down your board and wipe the salt into the trash or sink. "Make sure to put a little elbow grease into it," she says.
  3. Give the board a good rinse under hot water to get rid of any leftover salt or lemon. Dry completely using a dishcloth.
  4. If your board is still smelly after this exfoliation, follow it up with some baking soda to neutralize odors. Sprinkle it on your board, rub it around with a sponge or cloth, and then rinse again with hot water and dry completely.

If you keep up with these cleaning techniques, apply butcher block oil to protect against cuts (walnut oil and almond oil can work too, as long as you don't have a nut allergy), and steer clear of dishwashers or sitting water; your wooden cutting board should stay pristine through chili bakes, fruit jamming sessions, and whatever else your fall meal plans have in store.

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Emma Loewe
Emma Loewe
mbg Senior Sustainability Editor

Emma Loewe is the Senior Sustainability Editor at mindbodygreen and the author of Return to Nature: The New Science of How Natural Landscapes Restore Us. She is also the co-author of The Spirit Almanac: A Modern Guide To Ancient Self Care, which she wrote alongside Lindsay Kellner.

Emma received her B.A. in Environmental Science & Policy with a specialty in environmental communications from Duke University. In addition to penning over 1,000 articles on mbg, her work has appeared on Bloomberg News, Marie Claire, Bustle, and Forbes. She has covered everything from the water crisis in California to the rise of urban beekeeping to a group of doctors prescribing binaural beats for anxiety. She's spoken about the intersection of self-care and sustainability on podcasts and live events alongside environmental thought leaders like Marci Zaroff, Gay Browne, and Summer Rayne Oakes.