Recipes, guides and kitchen know-how. Mostly useful, occasionally silly.
How to Clean and Oil a Wooden Chopping Board
Wash it by hand in hot soapy water, dry it standing up, and rub in food-grade mineral oil about once a month - or whenever a drop of water soaks in instead of beading. Never the dishwasher. Never olive oil.
- Daily clean2 min
- Oiling10 min
- Soak in3 hrs+
- How oftenMonthly
Your chopping board does more work than anything else in the kitchen.
It gets stabbed, scraped, soaked in onion juice and then left on the drainer like it owes you money.
And then one day it goes pale, fuzzy and slightly smelly, and you wonder why.
I know this because mine did.
I'd been putting it through the dishwasher for a year and calling it low maintenance.
Good news. Looking after a wooden board takes two minutes a day and ten minutes a month.
Bad news. The dishwasher is not one of those minutes.
So I read every serious guide I could find, from food safety advice to people who make boards for a living.
This is what they all agree on. Minus the bits that made me feel personally judged.
Does your chopping board need oil? Try the water test
Beads up: you're fine. Soaks in: it's thirsty.
It's the most fun you can have with a chopping board. Which tells you a lot about chopping boards.
Flick a few drops of water onto your clean, dry board.
If the water sits in little beads, the board is happy. Leave it alone.
If it spreads out or soaks straight in, the board is thirsty.
Other giveaways: patches that look lighter or duller than the rest, or a surface that feels dry and rough.
A thirsty board soaks up water, and a board that soaks up water is a board that warps, cracks and holds on to smells.
What you need
- Washing-up liquid and a brush or sponge. The everyday kit.
- Food-grade mineral oil. The best oil for a wooden chopping board, full stop. No colour, no smell, no taste, and it doesn't go off.
- Not olive oil. Not vegetable oil. They go rancid in the wood and your board starts to smell like an old chip pan.
- Board wax or board butter, if you want a finishing coat. Usually beeswax mixed with mineral oil. Optional, but it helps keep water out.
- Two clean, soft cloths. One to put the oil on, one to take the extra off.
- A lemon and some coarse salt, for smells and stains.
- Bicarbonate of soda and white vinegar, for the stubborn ones.
How to clean a wooden chopping board every day
- Scrape off any bits of food straight after you've finished.
- Wash both sides in hot, soapy water with a brush or sponge.
- Rinse it under the tap.
- Dry it with a clean tea towel, then stand it on its edge so the air gets to both sides.
Never leave it soaking in the sink.
Never put it in the dishwasher. The heat and water make the wood swell, warp and split. It goes in looking like a chopping board and comes out looking like a skateboard ramp.
Ask me how I know.
And if you've cut raw meat, fish or chicken on it, wash it thoroughly in hot soapy water before anything ready to eat goes near it. Bread, salad and fruit included.
That's straight from Food Standards Scotland's kitchen cleaning advice. They don't do jokes. I checked.
Better still, keep a separate board for raw meat. It's the easiest food safety habit going, and according to our kitchen hygiene survey, 73% of Brits don't bother.
Our set of three bamboo boards exists for exactly this reason. One for meat, one for veg, one for whoever's making the sandwiches.
How to oil a chopping board
- Start with a clean board that's completely dry. Oil won't go into wet wood. Leave it overnight after washing if you need to.
- Pour a little mineral oil onto the board. A tablespoon or so is plenty for most boards.
- Rub it in with a soft cloth, going along the grain.
- Do the other side and all four edges. The edges and the end grain are the thirstiest parts.
- Leave it to soak in for at least a few hours. Overnight is better.
- Wipe off whatever's still sitting on the surface with a clean cloth. The board should feel smooth, not sticky.
- If you've got board wax, rub a thin layer over the top, leave it for a few minutes, then buff it off.
Shopping for chopping board oil? Look for food-grade or food safe on the label. Plain mineral oil from the chemist does the job. Fancy board oils are mostly mineral oil in a nicer bottle.
New board? Give it a generous coat on day one, leave it overnight, and if it's drunk the lot by morning, do it again. After that, a thin coat about once a month is enough. More often if you use it every day, less if it lives in a cupboard. The water test tells you when.
Smells and stains
Garlic, onion and fish all like to move in. Here's how to evict them.
- Lemon and salt: sprinkle coarse salt over the board, scrub it in with half a lemon, leave it for a few minutes, then rinse and dry. This sorts most smells and light stains.
- Bicarb paste: mix bicarbonate of soda with a splash of white vinegar, spread it on, leave it for a few minutes, then rinse. For the beetroot-and-turmeric crowd.
- A quick freshen-up: wipe it over with white vinegar and water, then rinse and dry.
All three dry the wood out a bit, so give the board a coat of oil afterwards.
Bamboo chopping boards are a bit different
Bamboo isn't actually a wood. It's a grass. A very ambitious grass.
It soaks up less water than most woods, which makes it tougher and less likely to warp.
It still dries out, though. So if you're wondering how to clean a bamboo chopping board, it gets exactly the same treatment: hot soapy water, no dishwasher, dry it upright and oil it when it looks pale.
Keep it out of direct sun and away from the hob or radiator. Constant heat dries it out and that's when cracks start.
Ours is the large bamboo chopping board. It's 45 x 30cm, so there's room to chop an onion without it rolling onto the floor.
I'm biased. It's also very big.
If it goes wrong
Rough and fuzzy? Water has raised the grain. Common after a few washes, especially on a new board.
Fix: rub it lightly with fine sandpaper, going along the grain, wipe off the dust, then oil it.
Sticky or smells stale? Someone's been oiling it with olive or vegetable oil, and it's gone rancid in the wood.
Fix: scrub it well in hot soapy water, do the lemon and salt treatment, let it dry completely, then switch to mineral oil.
Pale, dry or starting to crack? It's been thirsty for a while.
Fix: give it the new-board treatment: a generous coat, overnight, repeat until it stops drinking. Then stick to monthly.
Warped? It's been soaked, put in the dishwasher, or dried flat on one side.
Fix: a slight bend sometimes settles once it dries out evenly, standing on its edge. A badly warped board rarely comes back, so the real fix is prevention: no soaking, no dishwasher, always dry it upright.
The short version
Wash it by hand. Dry it standing up. Oil it when the water stops beading.
That's wooden chopping board care in three lines. Do that and a good board will outlast your knives, your kettle and quite possibly your kitchen.
Mine's now on its best behaviour. It still won't go in the dishwasher. I've stopped asking.
