How to Care for a Wooden Cutting Board

I’ll start with the thing that kills more good boards than anything else.

The dishwasher.

People put their cutting board in the dishwasher once, it comes out fine, they do it again, still fine, and by the third or fourth time the board starts to crack along the grain and they think they got a bad board. They didn’t get a bad board. They cooked it. The heat and steam and prolonged soaking in a dishwasher does to wood what it does to your skin if you sat in a hot tub for an hour — it wrecks it. Maple is tough but it’s not dishwasher tough. Nothing wood is.

So. Hand wash only. Hot soapy water, a cloth, done in thirty seconds. That’s not the hard part.

The part people actually mess up — drying

Washing is fine. It’s the drying where things go sideways.

Rinse the board, then dry it with a towel — both sides, not just the top. A lot of people flip it cut-side up in the drying rack and walk away. One side dries in ten minutes, the other side stays damp for an hour. The damp side expands while the dry side doesn’t, and slowly, over weeks of this, the board starts to cup. Once it’s cupped it’s a pain to fix and if you leave it long enough it warps permanently.

Thirty extra seconds with a towel on both sides. That’s all it takes to never deal with warping.

Don’t soak it in the sink either. I know it seems like a good way to loosen stuck-on food. It isn’t. Scrub it instead.

Oiling — the thing that actually makes the board last

Wood dries out. Always has, always will. A dry board gets pale and chalky looking, starts to develop small cracks along the grain, and eventually the surface gets rough enough that food particles start hiding in places you can’t scrub out. Oiling prevents all of that and it takes maybe five minutes once a month.

Use mineral oil. The food-grade kind you find at any pharmacy — the exact same stuff, often labelled as a laxative, which is a weird thing to rub on your cutting board but it works perfectly and it’s cheap. The reason you specifically want mineral oil and not olive oil or coconut oil or whatever’s sitting near the stove is that those go rancid. Not immediately, not obviously, but over time the oil breaks down inside the wood fibres and your board starts to smell slightly off no matter how clean it is. Mineral oil doesn’t go rancid. Problem solved.

Pour a good amount straight onto the board. Use a cloth to work it into every surface — the top, the bottom, and all four sides. People always skip the bottom and the sides and then wonder why the board starts cracking at the edges. The whole board needs it.

Let it sit overnight if you can. The wood will absorb what it needs and whatever’s left on the surface in the morning gets wiped off with a dry cloth.

New board — oil it three or four times in the first few weeks. The dry wood soaks it up fast and you want it properly saturated before you start using it hard. After that, once a month is enough for regular use. The board tells you when it needs it. Pale and dry looking means it’s thirsty. Rich and slightly dark means it’s good.

Smells

Garlic is the worst. You can wash a board four times after cutting garlic and the next morning it still smells like garlic.

Salt and lemon. Dump a handful of coarse salt on the board, cut a lemon in half, and scrub the salt around with the cut face of the lemon. Do it for a couple of minutes, really work it in. The salt is mildly abrasive and the lemon juice neutralizes the smell at the source rather than just covering it. Rinse, dry, done.

For fish — same method, or baking soda mixed with enough water to make a thick paste. Spread it on, leave it five minutes, rinse. Fish smell is gone.

I don’t know why this isn’t common knowledge. It works better than any commercial board cleaner I’ve tried.

Stains

Light stuff — the salt and lemon handles it.

Stubborn stains that have been sitting for a while — grab 220-grit sandpaper and lightly sand the stained area. You’re just removing a thin layer off the surface. Wipe all the dust off completely, then oil that spot. The stain is gone and the board looks fresh. This takes longer to describe than it does to do.

When the board cups or warps

Usually one side got wet more than the other over time. The fix is almost embarrassingly simple.

Dampen a cloth and wet the concave side — the side that’s curving upward toward you. Lay it concave-side down on a flat surface and put some weight on it. A few heavy books, a cast iron pan, whatever’s handy. Leave it overnight.

The moisture causes the concave side to expand and the board flattens back out. In the morning, dry both sides properly, give it a coat of oil on both sides, and from now on dry both sides evenly after washing. That’s what caused it in the first place.

Resin boards specifically

If your board has cured epoxy resin on it, the care changes slightly.

The resin surface itself doesn’t need oil — it’s waterproof. The exposed wood parts still do. Apply mineral oil to any bare wood and keep it away from the resin. Warm soapy water is fine for the whole board. What you want to avoid on the resin surface is abrasive scrubbers and strong chemical cleaners — they scratch and dull the finish and that dullness doesn’t buff out easily.

No dishwasher for these either, and it matters even more with resin than regular boards. Heat softens cured epoxy and it can cloud up or start separating from the wood. It’s not a fixable problem once it happens.

Restoring a board that looks done

I’ve seen boards that looked genuinely terrible — grey and dry, deep knife scars across the whole surface, staining that had soaked right through. People were ready to throw them out.

Most of them came back fine.

Sand it. Start with 80-grit to cut through the damaged layer, then 120, then finish with 220. Wipe the dust off between each grit — really get it clean. Once you’re back to fresh wood underneath, oil it heavily. Three coats over the first week, letting each one soak in fully before the next. The colour comes back, the surface smooths out, and what looked like a dead board looks like something you’d be happy to have on your counter again.

Maple is genuinely tough. It takes real neglect to actually kill it.

The whole thing in four lines if you’re in a hurry

Wash with hot soapy water. Dry both sides right away. Oil monthly with mineral oil. Never the dishwasher.

That’s 90% of it. The rest of this page is for when something’s already gone wrong.

Questions about a specific board — contact page, we’ll sort it out.