Why oil wooden cutting boards

If you want your wooden cutting board to last 5 to 10 years instead of just 1 or 2, you should oil it every 3 to 4 weeks. Oiling stops the board drying out, cracking and soaking up liquids, which means fewer stains, fewer smells and a safer surface for everyday cooking.

Why oil wooden cutting boards at all?

Wood and bamboo are naturally porous. Every time you chop, you open up tiny channels in the surface. Without oil, those channels pull in water, meat juices and washing up liquid. Over time the board warps, splits and starts to harbour odours.

Food grade mineral oil or a dedicated board oil fills those pores instead. It creates a thin, breathable barrier that:

• Reduces water absorption by a noticeable amount so the board dries evenly
• Helps block stains from beetroot, turmeric and tomato
• Slows down fibre damage so the board can last 5 to 10 years with care
• Keeps the surface smoother so knives feel better and bite more cleanly

At Deer & Oak we pre oil every board, whether it is a 45x35cm bamboo chopping board or a 2.1kg acacia showpiece, so you start with a protected surface from day one.

What happens if you do not oil your board?

Skipping oiling is a bit like never polishing leather shoes. They still work, but they age badly and fail early. With an unoiled wooden or bamboo board you are likely to see:

• Cracks and splits along the grain after a few months of heavy use
• Warping so the board rocks on your worktop instead of sitting flat
• Deep stains from curry, berries and red meat juices that will not scrub out
• Rough, raised fibres that feel furry and blunt your knives faster
• Persistent smells of onion or garlic that linger even after washing

Oiling will not turn a board into a chopping block for life, but it will usually double or triple its useful lifespan. For example, our Carbonised Bamboo Board at 45x35cm and 1.9kg is designed to stay in service for many years with a 10 minute oiling routine once a month.

How to oil a wooden cutting board in 6 simple steps

If you are wondering exactly how to oil a board, this is the method we use in our own kitchens. It works on bamboo, acacia and traditional hardwood boards.

1. Clean the board properly
   Wash with warm water and a tiny drop of mild detergent. Rinse and dry with a clean towel. Let the board air dry standing upright for at least 2 hours until it feels completely dry.
2. Choose the right oil
   Use food grade mineral oil or a board conditioner that combines mineral oil and natural waxes. Avoid olive, sunflower or other cooking oils as they can turn sticky and rancid.
3. Apply a measured amount
   For a 45x35cm board like our Large Bamboo Board DNO BCB LG, use about 2 teaspoons of oil per side, so roughly 10 ml. For a 38x28cm board, 1 to 1.5 teaspoons is usually enough.
4. Work the oil into the grain
   Use a lint free cloth or paper towel. Rub in small circles, then follow the grain. Do both faces and all four edges. The surface should look slightly shiny but not flooded.
5. Let it soak
   Leave the board flat on a drying rack for 20 to 30 minutes. If any patches still look dry, add a few more drops and rub again.
6. Wipe off the excess
   Buff with a clean cloth until the board feels dry to the touch. There should be no oily residue on your fingers.

For a new board, repeat this process 2 or 3 times in the first week. After that, once every 3 to 4 weeks is usually enough for normal home cooking.

How often should you oil different types of boards?

Not all boards behave the same. The material, size and how you use it all affect how often you should oil.

• Bamboo boards such as our Large Bamboo Board (45x35cm, 1.8kg) are naturally dense and slightly less thirsty. Oiling every 4 weeks is usually fine for a family kitchen.
• Carbonised bamboo boards like the 1.9kg Carbonised Bamboo Board may benefit from slightly more frequent care, around every 3 weeks, because the heat treatment changes how the fibres absorb moisture.
• Acacia boards including our 2.1kg Large Acacia Board often live out on the counter as serving boards. If they are washed daily, oiling every 2 to 3 weeks keeps the grain rich and less prone to movement.

A simple rule: if the board looks pale, feels dry or water no longer beads on the surface, it is time to oil it.

Product specs: choosing a board that rewards good care

Oiling works best when the board itself is solid, well sized and heavy enough to stay put. Here is how several Deer & Oak options compare so you can match your care routine to the right board.

Product	SKU	Size (cm)	Weight	Material	Typical oiling interval	Price
Large Bamboo Board	DNO-BCB-LG	45x35	1.8kg	Moso Bamboo	Every 4 weeks	£34.99
Medium Bamboo Board	DNO-BCB-MD	38x28	1.2kg	Moso Bamboo	Every 4 weeks	£24.99
Carbonised Bamboo Board	DNO-CBB-LG	45x35	1.9kg	Carbonised Bamboo	Every 3 weeks	£39.99
Large Acacia Board	DNO-ACB-LG	45x35	2.1kg	Acacia Wood	Every 2 to 3 weeks	£44.99
Medium Acacia Board	DNO-ACB-MD	38x28	1.5kg	Acacia Wood	Every 3 weeks	£34.99
Bamboo Double Pack	DNO-BCB-2PK	45x35 + 38x28	3.0kg	Moso Bamboo	Every 4 weeks	£49.99

Every board in this range arrives pre oiled so you can start using it straight away. We still recommend a fresh coat of oil after the first 4 weeks to match it to your kitchen conditions.

Who this is for and who it is not for

Oiling wooden cutting boards is not for everyone, and that is absolutely fine. Here is an honest guide.

Ideal for:

• Home cooks who use a board daily and want it to last 5 to 10 years with simple care
• People who enjoy natural materials like bamboo and acacia and do not mind a 10 minute maintenance job once a month
• Those who want a board that can double as a serving platter for cheese or charcuterie without looking tired
• Anyone upgrading from a thin plastic mat to a 45x35cm, 1.8kg or heavier board that feels solid on the worktop

Not recommended for:

• People who prefer to put everything in the dishwasher and never think about maintenance
• Commercial kitchens that need boards sanitised at very high temperatures several times a day
• Those who dislike any change in colour, as oiled wood will naturally deepen over time
• Anyone who wants a disposable surface they can replace every few months instead of caring for a long term board

Common mistakes when oiling wooden cutting boards

Once you know why oil wooden cutting boards, it helps to avoid a few easy errors:

• Using the wrong oil
  Olive, rapeseed and nut oils can turn sticky and smell. Always choose food grade mineral oil or a dedicated board oil.
• Oiling a damp board
  If the board is not fully dry, oil traps moisture inside which encourages warping. Always let it dry for at least 2 hours after washing.
• Flooding the surface
  Too much oil leaves a greasy film. Stick to about 2 teaspoons for a 45x35cm board and wipe away any excess after 30 minutes.
• Forgetting the edges
  Edges and handles often crack first. Always oil all sides, including juice grooves if your board has them.

Why Deer & Oak pre oiled boards make life easier

All Deer & Oak boards, from the 1.2kg Medium Bamboo Board to the 2.1kg Large Acacia Board, arrive pre oiled so you do not start from a dry, thirsty surface. This first treatment helps:

• Reduce the risk of warping in the first 30 days
• Give you an even colour and grain pattern straight out of the box
• Let you focus on cooking rather than rushing to protect a brand new board

If you want a ready to use option, our Bamboo Double Pack pairs a 45x35cm board with a 38x28cm partner so you can keep one for meat and fish and one for fruit and bread. Both arrive pre treated and only need a top up after the first month.

FAQ

Closing thoughts and product recommendations

If you remember just one thing about why oil wooden cutting boards, let it be this: 10 minutes of oiling every few weeks can turn a 1 year board into a 5 to 10 year kitchen companion. It keeps the surface safer, the grain richer and the board stable on your worktop.

For a reliable all rounder, we usually recommend the Large Bamboo Board DNO BCB LG at 45x35cm and 1.8kg. It is big enough for a full Sunday roast, light enough to move easily and only needs oiling about once a month. If you want a darker showpiece with a bit more weight, the Carbonised Bamboo Board DNO CBB LG at 1.9kg is a smart option, available on Amazon UK.

You can explore our full range of pre oiled wooden and bamboo boards on the Deer & Oak chopping board collection, browse curated sets on our board sets page, or check the current favourites on our bestsellers list. Choose a size and material that suits your cooking, keep a small bottle of board oil nearby, and your wooden board will reward you with years of steady, reliable service.