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Beginner's Guide
2025 SEPTEMBER 18
.
Thuy Fang

Chopping Board? More Great Ways to Take Care of Your Knife!

A good knife gives its best when we give it care. These habits do not take much time, but they make a big difference in how long the knife lasts and how well it performs. Continue reading to note a few ways to keep your knife in good shape, starting with choosing the right chopping board!

Use the right kind of chopping board.

When you care about your knife, choosing the right cutting board is as essential as sharpening the blade. Some chopping boards are too complex and can quickly damage the edge of your knife. Others might be too soft, easy to scratch, or unsafe to use. A good chopping board gives your knife a safe surface to cut on without hurting the blade. It also helps keep your kitchen clean and makes cutting easier and safer.

Wood is a wise choice, especially boards made from maple or beech. These chopping boards have just the right texture to protect your knife’s edge and feel smooth when you slice. End-grain boards are even better. They act like a soft pillow that lets the knife go in and out without harming the blade.

A person slicing knives on top of a chopping board.
A chopping board protects both your knife and your countertop! Image via Shutterstock

Rubber boards are also kind to your knife. Many chefs use them in restaurants because they are easy to clean and do not dull the edge. They might not look fancy but are strong and safe, especially in humid kitchens. On the other hand, you should stay away from glass or ceramic boards. They may be shiny, but they are very hard and will quickly ruin your blade.

Anyone who wants to keep their kitchen knives sharp and healthy should have one or two well-chosen boards: a strong wooden board for vegetables, fruits, and bread, and a rubber one for meat or juicy foods. This way, your knife can work well, stay sharp longer, and avoid damage. After all, when we treat our tools carefully, they take care of our cooking in return.

Apply high-quality oils that are suitable for the knife blades.

When caring for a fine kitchen knife, especially a high-carbon steel blade, oiling is not just a small extra step but a vital part of keeping the knife healthy and sharp. Without oil, moisture in the air or from washing can slowly cause rust to grow, which damages the blade over time.

The most trusted oils for knives include camellia, mineral, and ballistol. Camellia oil has been used in Japanese kitchens for generations. It’s plant-based, light, and rich in antioxidants that help stop rust.

Mineral oil dripping onto a cutting board.
Knife oil is important to keep the blade sharp and strong. Image via Shutterstock

Mineral oil is clear, odorless, and stable, so it will not go bad or turn sticky. Ballistol oil, made from natural ingredients like anise, is food-safe, biodegradable, and works well for both the blade and wooden handle. 

All of these are safe to touch food and protect the blade without changing the flavor of ingredients. When choosing oil, look for one that is food-safe, does not smell or go rancid, and spreads easily in a thin, even layer.

To apply the oil, make sure the blade is clean and dry. Add a few drops of oil to a soft cloth, then gently wipe the blade on both sides. Focus on the cutting edge, but don’t forget the spine and the handle area. It’s best to do this after washing and drying your knife, especially if it is used to cut acidic foods like citrus. Reapply the oil every few weeks or more often if you live in a humid place. 

Are you looking for high-quality chopping boards to go with your knife? Check out ZAKU! ZAKU has authentic knives handmade in Japan for all of your culinary needs!

The ZAKU logo.

Store the knife correctly in its appropriate sheath after use.

After using a Japanese knife, storing it properly is one of the most critical steps in taking care of it. Just like cleaning and oiling the blade, placing your knife into a well-made sheath helps protect it from rust, scratches, or accidents.

A black carbon knife with a knife sheath.
A knife sheath is important to ensure the longevity of the blade. Image via Shutterstock

Leaving a knife unprotected in a drawer or out in the open can cause dulling, damage, or rust from trapped moisture. Storing the knife in its sheath keeps it safe and strong and ensures it stays in good shape for many years.

An excellent knife sheath should be chosen carefully to suit the blade’s needs. For Japanese knives, wooden sheaths made of beech wood, called saya, are especially beautiful and practical. They are firm but soft enough to avoid scratching the blade. Unlike leather or plastic, wooden sheaths allow the knife to breathe, which helps prevent rust from hidden moisture. Some sayas come with a wooden pin to keep the knife from slipping out.

Sharpen the blade regularly.

No matter how well made, a knife slowly loses its edge with every slice. Even the finest Japanese blade must be sharpened to stay precise and safe. When sharpening is done with care and consistency, it becomes a way of respecting the tool.

The best materials for sharpening are carefully selected. Whetstones, especially those made in Japan, gently remove thin layers of steel to create a fine edge. A ceramic rod or honing steel keeps the edge aligned for daily touch-ups. Manual or electric sharpeners are helpful at home, but the whetstone gives the most control and beautiful finish.

Someone holding a knife above a blade sharpener.
A blade sharpener is a must-have in any knife cafe kit! Image via Shutterstock

An ideal sharpening stone should feel stable under your hand and work evenly across the blade. Holding the knife at a steady 15 to 20-degree angle is the most important rule. The edge won’t form correctly if the angle is too steep or flat.

How often should a knife be sharpened? It depends on how often it is used. Sharpening every two or three months is a good habit for daily cooks. One or two sessions a year may be enough for those who use their knife just a few times a week.

Why should I practice appropriate knife care with items like a chopping board?

Caring for your knife properly is a way of showing respect for a tool that helps us daily. When a knife is well-maintained, it stays sharp, safe, and ready. A clean blade, a light coat of oil, the right kind of chopping board, and a proper place to rest when not in use all help protect its life.

A chopping board with a bowl of salt on it.
How do you take care of your knives? Do you use a chopping board? Image via Shutterstock

Overall, these small choices prevent rust, reduce damage, and make cooking smoother and more joyful. You may not realize it, but knife care is also about creating a calm and thoughtful kitchen space. So, what simple habit best keeps a kitchen knife sharp and happy? Feel free to share your thoughts!

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