Kochmesser scharf halten: Wie geht das?

Keeping a chef’s knife sharp: How does it work?

Have you ever wondered why it's so important to keep your kitchen knives sharp? Sharp knives are an essential part of any well-equipped kitchen, and there are many good reasons why you should make sure your knives stay sharp. Here are some of the top reasons why sharp kitchen knives are essential.

1. Safety in the kitchen

It may sound counterintuitive, but sharp knives are actually safer than dull ones. With a sharp knife, you need to apply less pressure to make a cut. This means the blade slides through the food in a more controlled manner and there is less risk of slipping and injuring yourself. Dull knives require more force, which increases the likelihood of the blade slipping unexpectedly and getting caught in your fingers.

2. Efficiency and precision

Sharp knives make slicing, chopping and shredding food quicker and easier. A sharp knife allows you to make precise and consistent cuts, which is especially important for finer cutting tasks. This not only results in a more attractive presentation of your dishes, but also ensures that ingredients cook evenly. Evenly sliced ​​or diced vegetables and meat cook more evenly, resulting in better cooking results.

3. Protecting food

Dull knives often squash or tear food instead of cutting it cleanly. This can affect the texture and appearance of the ingredients. Especially with delicate foods like tomatoes or fresh herbs, a dull knife can do more harm than good. A sharp knife, on the other hand, cuts cleanly through the cell walls of the food, better preserving its freshness and flavor.

4. Less effort

With a sharp knife, you can do your work in the kitchen with less effort. The blade glides effortlessly through the food, which not only saves you time, but also makes it less physically demanding. This is especially noticeable when you are working on larger cooking projects or preparing meals for a large number of people. A sharp knife makes cutting easier and ensures that you do not get tired as quickly.

5. Extended blade life

Regularly sharpening and maintaining your knives will help extend their lifespan. A well-maintained, sharp knife will need replacing less often as it will perform its function for longer. This will save you money in the long run and ensure that you always have the best tool available.

How do you keep your chef's knife sharp?

1. Regular sharpening

  • Sharpening rod : A sharpening rod helps to maintain the edge of the knife between sharpenings. It straightens the blade and removes small imperfections. To use the sharpening rod, hold the knife at an angle of about 15-20 degrees to the rod and pull the blade along both sides several times, alternating between them.

    From my own experience, I can highly recommend the XADR ONE . An industrial ceramic that is 20 times harder than steel. The sharpening rod is compact. Made in Germany. I use it almost every day.

  • Whetstone (water stone) : A whetstone is ideal for a more thorough sharpening. There are different grits, from coarse to fine. Soak the stone in water before using. Start with the coarse side to remove larger imperfections, then switch to the fine side to polish the blade. Hold the blade at a 15 to 20 degree angle to the stone and move it across the stone in a sliding motion.

  • Electric knife sharpener : Electric sharpeners are practical and easy to use. They usually have several levels for coarse and fine sharpening. Simply guide the blade through the guide slots and let the device do the rest. Make sure you choose a high-quality model so as not to damage the blade. I must personally admit that I don't think much of these devices because they often handle the knife too roughly. But I didn't want to withhold the fact that such devices exist.

2. Correct cutting techniques and materials

  • Cutting board : Use cutting boards made of wood or plastic. Hard surfaces such as glass, stone or ceramic can quickly dull the blade.
  • Cutting technique : Be careful not to twist or tilt the blade. Use the entire length of the blade and avoid cutting only in a small area. This helps to use the cutting edge evenly and protects the knife.

3. Careful cleaning

  • Hand wash : Always wash your knives by hand and avoid putting them in the dishwasher. The harsh detergents and high heat in the dishwasher can damage and dull the blade. Use warm water, mild detergent and a soft sponge.
  • Drying : Dry knives thoroughly immediately after washing to prevent rust and corrosion. Pay particular attention to the area where the blade meets the handle.

4. Safe storage

  • Knife block : A knife block protects the blades from damage and keeps them safe and within easy reach.
  • Magnetic strip : A magnetic strip on the wall is a space-saving and safe storage option. It prevents the blades from rubbing against each other and becoming blunt.
  • Protective covers (blade protectors) : If you store your knives in a drawer, use protective covers to protect the blades and avoid accidents.
  • Protective bags: With a knife protective bag, your knives are always well protected. Even during transport. Take a look at the protective bags in the shop.

5. Professional sharpening

  • Sharpening service : At some point, even the best resharpening will no longer work. Then it is time to sharpen the blade again. Have your knives sharpened occasionally by a professional sharpening service. A professional can sharpen the blade optimally and repair minor damage. This is particularly important for high-quality knives that require special care. See if you can find someone in your area who can do this or use my knife sharpening service and I will sharpen them again.


A sharp knife is the heart of every kitchen. By sharpening regularly, using the right cutting technique, cleaning carefully and storing them safely, you can ensure that your knives always stay in top shape. A sharp knife not only makes cooking easier and more enjoyable, but also safer. So, get out your sharpening steel or whetstone and keep your knives in top cutting condition!

Happy cooking and have fun cutting!

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