How to Remove Onion and Garlic Smells From Your Cutting Board

We have all been there. You are making a beautiful, fresh fruit salad for breakfast. You pull out your trusty wooden cutting board, slice up some strawberries, pop one into your mouth, and... it tastes exactly like the garlic chicken you made for dinner last night.

Gross, right?

Wooden and thick plastic cutting boards are notorious for trapping strong odors, particularly from sulfur-rich foods like raw onions, garlic, and certain fish. You can scrub them with hot water and dish soap until your hands are raw, but that lingering, pungent smell just seems to fuse with the material.

Many people resort to harsh chemical sprays or diluted bleach, but honestly, putting chemicals on the surface where you prepare your family's food is never ideal. Plus, bleach can dry out and ruin a good wooden board over time.

Fortunately, there is a much better, completely natural way to pull those deep-set odors out of your cutting board. It uses two things you probably already have in your kitchen right now.

The Lemon and Coarse Salt Method

This is a classic kitchen trick that actually works better than most commercial cleaners. It acts as both a mechanical exfoliator and a chemical odor neutralizer.

The salt provides the abrasive scrubbing power to physically lift food particles out of the tiny grooves in the board. The lemon juice provides citric acid, which naturally neutralizes the alkaline compounds (like those found in garlic and onions) that cause the bad smells.

How to Deep Clean Your Board:

1. Sprinkle the Salt: Take your dry, smelly cutting board and generously sprinkle coarse salt all over it. Kosher salt or large-grain sea salt works best because the crystals are big and abrasive. Normal table salt will work in a pinch, but it isn't quite as effective.
2. Cut a Lemon: Cut a fresh lemon in half. (You can even use a lemon that you’ve already squeezed for juice; the residual acid in the rind is usually enough).
3. Scrub: Use the fleshy side of the cut lemon as your "sponge." Press it firmly into the salt and scrub the entire board in vigorous, circular motions. Squeeze the lemon slightly as you go to release the juice and mix it with the salt, creating a gritty, acidic paste.
4. Let it Sit: Once you’ve scrubbed the whole board, let the salt and lemon paste sit on the surface for about 5 to 10 minutes. This gives the citric acid time to penetrate the wood and neutralize the trapped odors.
5. Scrape and Rinse: Finally, use a bench scraper or a spatula to scrape the dirty gray paste off into the sink. Rinse the board thoroughly with warm water and dry it completely with a clean towel.

The difference is immediate. The garlic smell will be completely gone, replaced by a light, incredibly fresh citrus scent.

I try to do this deep clean about once a month, or immediately after I chop a large batch of particularly pungent onions. It not only keeps my cutting boards smelling perfectly neutral but also helps lift out light stains from things like tomatoes or berries.

Give it a try next time your cutting board gets a little too funky—your future fruit salads will thank you!