How to Keep Knives Sharp: 7 Essential Tips for Lasting Sharpness

Written by: Yakushi Knives

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Time to read 11 min

Tips on Keeping Your Kitchen Knives Sharp

Keeping your knives sharp is essential for safe and efficient cooking. A sharp kitchen knife not only makes food preparation easier but also reduces the risk of accidents. Here are some key tips on how to keep your knives sharp and maintain their cutting edge.

First, it's crucial to understand that regular maintenance is key to knife care. You should sharpen your knives every couple of months at a minimum. However, if you notice your knife becoming dull, don't hesitate to sharpen it sooner. Remember, a sharp knife is safer than a dull one.

One of the most effective tools for maintaining your knives is a honing rod. Many people mistakenly believe that a honing rod sharpens knives, but its primary purpose is to realign the blade's edge. When you use your knife, the edge can become slightly bent or misaligned. The honing rod straightens it back to its proper position, helping to maintain sharpness between full sharpenings.

To use a honing rod, hold it vertically with one hand and the knife in your other hand. Place the heel of the blade against the rod at a 15-20 degree angle. Then, draw the knife down and across the rod in a sweeping motion, making sure to cover the entire length of the blade. Repeat this process 6-8 times on each side of the blade.

For actual sharpening, a whetstone is an excellent tool. While it requires some skill to use effectively, it provides great results. Whetstones come in different grits, with lower grits for repairing damaged edges and higher grits for refining and polishing. Soak the stone in water before use, then hold your knife at the correct angle (usually around 20 degrees) and draw it across the stone in a smooth motion.

Another crucial aspect of knife care is proper storage. Avoid throwing your knives in a drawer where they can bang against other utensils. Instead, use a knife block, magnetic strip, or individual knife guards. This protects the blade from damage and keeps it sharp for longer.

Lastly, always hand wash your knives and dry them immediately after use. Dishwashers can be harsh on knife blades, causing them to dull quickly. By taking these steps to care for your knives, you'll ensure they stay sharp, safe, and ready for all your culinary adventures.

Choose the Right Cutting Surface

The surface you use to cut on has a significant impact on how to keep knives sharp. Different materials can affect your knife's edge in various ways, so it's crucial to choose wisely.

Types of cutting boards

There are several types of cutting boards available, each with its own pros and cons:

• Wood: These boards are gentle on knife edges and can last for years with proper care. Hardwoods like maple and walnut are excellent choices.

• Plastic: Often lightweight and dishwasher-safe, plastic boards are convenient but can be harder on knives over time.

• Bamboo: While esthetically pleasing, bamboo boards can be tough on knife edges due to their hardness.

• Glass: Avoid glass cutting boards as they're extremely hard and will dull your knives quickly.

Impact on knife sharpness

The hardness of your cutting surface has a direct effect on how to keep a knife sharp. Softer materials allow the knife edge to slightly penetrate the surface, which helps maintain sharpness. Harder surfaces, on the other hand, can cause the edge to roll or become rounded, leading to faster dulling.

Wood and plastic boards are generally better for knife maintenance. Wood, especially end-grain boards, allows the knife to cut between fibers, reducing damage to the edge. Plastic boards, while not as forgiving as wood, are still preferable to harder materials like glass or stone.

Recommended materials

For optimal knife care and to keep kitchen knives sharp, consider these recommended materials:

  1. End-grain wood: This type of board is the most forgiving on knife edges. The vertical wood fibers allow the knife to cut between them, reducing wear on the blade.

  2. Edge-grain wood: While not as ideal as end-grain, edge-grain wooden boards are still excellent for knife maintenance.

  3. High-density polyethylene (HDPE) plastic: This material is commonly used in commercial kitchens. It's durable, easy to clean, and relatively gentle on knives.

  4. Rubber: Some professional chefs prefer rubber cutting boards as they're easy on knives and have good grip.

Remember, the key to keeping a very sharp knife is not just about the cutting surface, but also how you use and care for your knives. Proper cutting technique, regular honing, and occasional sharpening all contribute to maintaining a sharp cutting knife.

By choosing the right cutting surface and implementing good knife care practices, you can ensure your knives stay sharp longer, making your kitchen tasks safer and more efficient.

Master Proper Knife Handling and Storage

Proper knife handling and storage are crucial for maintaining a sharp kitchen knife and ensuring safety in the kitchen. By mastering these techniques, you can keep your knives in top condition and prevent accidents.

Correct grip techniques

To maintain control over your sharp cutting knife, it's essential to use the correct grip. The most effective method is the "pinch grip." Here's how to do it:

  1. Hold the knife in your dominant hand.
  2. Pinch the base of the blade (where it meets the handle) between your thumb and index finger.
  3. Wrap your remaining fingers around the handle.

This grip gives you maximum control and stability, reducing the risk of slips and accidents. Avoid resting your index finger on the spine of the knife, as this can lead to less control and potential injuries.

When cutting, use a circular motion, keeping the knife in contact with the cutting board. Use your non-dominant hand as a guide, keeping your fingertips curled back to avoid accidental cuts.

Safe storage options

Proper storage is key to maintaining sharp knives and preventing accidents. Here are some safe storage options:

• Magnetic knife strip: This is an excellent choice for easy access and blade protection. It keeps knives off the counter and prevents them from bumping against other utensils.

• Knife block: While traditional knife blocks can dull blades, universal knife blocks with open, magnetic sides can accommodate various knife sizes without damaging them.

• In-drawer knife holder: If you have drawer space, a cork-lined box with dividers can safely store an assortment of knives.

• Knife bag: Ideal for professionals or those who want to transport their knives safely.

• Blade guards: These plastic or wooden sheaths protect individual blades when stored in drawers or bags.

Avoiding common mistakes

To keep your knives sharp and maintain their longevity, avoid these common mistakes:

  1. Never put knives in the dishwasher. The heat and harsh detergents can damage the blade and handle.

  2. Don't leave knives soaking in water, as this can lead to rust and bacteria buildup.

  3. Avoid cutting on hard surfaces like glass, marble, or metal, which can quickly dull the blade.

  4. Don't store knives loosely in drawers where they can bang against other utensils.

  5. Always hand wash knives with mild soap and warm water, then dry them immediately with a soft cloth.

By following these guidelines for proper knife handling and storage, you can ensure that your knives stay sharp, safe, and ready for all your culinary adventures. Remember, a well-maintained knife is not only more efficient but also safer to use in the kitchen.

Implement Regular Honing and Sharpening

To keep your knives sharp and in top condition, it's crucial to implement regular honing and sharpening. These two processes are essential for maintaining a sharp kitchen knife and ensuring safe, efficient cutting.

Difference between honing and sharpening

While often confused, honing and sharpening serve different purposes in knife maintenance. Honing realigns the edge of a blade that has become bent or misaligned through use. It doesn't remove metal but instead straightens the existing edge. Sharpening, on the other hand, actually removes metal to create a new, sharp edge on a dull or damaged knife.

Honing should be done more frequently, ideally after every few uses of your knife. Sharpening, however, is needed less often - typically twice a year for most home cooks, depending on how frequently you use your knives.

How to use a honing steel

A honing steel is an essential tool for maintaining a sharp cutting knife. To use it effectively:

  1. Hold the steel vertically with its tip resting on a cutting board.
  2. Place the heel of the blade against the steel at a 15-20 degree angle.
  3. Draw the knife down and across the steel in a sweeping motion, covering the entire length of the blade.
  4. Repeat this process 6-8 times on each side of the blade.

Remember, the goal is to realign the edge, not to grind away metal. Use gentle pressure and maintain a consistent angle throughout the process.

Sharpening methods and frequency

When it comes to sharpening, using a whetstone is often considered the best method for how to keep knives sharp. Here's a basic guide:

  1. Soak the whetstone in water until no air bubbles appear.
  2. Place the stone on a damp towel to prevent sliding.
  3. Hold the knife at a 20-degree angle against the stone.
  4. Draw the blade across the stone, from heel to tip, maintaining the angle.
  5. Repeat this process 10 times on each side of the blade.

For most home cooks, sharpening knives twice a year is sufficient. However, if you notice your knife slipping while cutting or requiring more effort to slice through food, it's time to sharpen.

Remember, proper knife care extends beyond honing and sharpening. Always hand wash your knives, dry them immediately, and store them properly to maintain their sharpness and longevity. By implementing these practices, you'll ensure your knives stay sharp, safe, and ready for all your culinary adventures.

Avoid Damaging Practices

To keep your knives sharp and in good condition, it's crucial to avoid certain damaging practices. By steering clear of these common mistakes, you can maintain the sharpness and longevity of your kitchen knives.

Dishwasher use

One of the most harmful practices for your knives is putting them in the dishwasher. The high-pressure water spray, heat, and harsh detergents can cause significant damage to your sharp kitchen knife. The dishwasher's environment can lead to:

• Dulling of the blade due to knocking against other utensils • Warping or cracking of wooden handles • Rusting of the blade, especially for high-carbon stainless steel knives • Alteration of the blade's temper, affecting its hardness and ability to hold an edge

To keep your knives sharp, always wash them by hand with mild soap and warm water. Dry them immediately after washing to prevent rust formation and maintain the integrity of both the blade and handle.

Cutting on hard surfaces

Using your knife on hard surfaces is another practice that can quickly dull your blade. Avoid cutting on:

• Glass cutting boards • Stone or marble countertops • Ceramic plates

These materials are extremely hard and can cause your knife's edge to roll or become rounded, leading to faster dulling. Instead, opt for wooden or high-density polyethylene (HDPE) plastic cutting boards. These materials are gentler on your knife's edge and help maintain its sharpness.

Improper cleaning techniques

How you clean your knives has a significant impact on their sharpness and overall condition. To keep your kitchen knives sharp, avoid these improper cleaning techniques:

• Soaking knives in water: This can lead to rust formation and handle warping. • Using abrasive scrubbers: Steel wool or other harsh scrubbers can damage the blade. • Leaving knives to air dry: This can cause rust and bacteria buildup.

Instead, follow these proper cleaning steps:

  1. Wash your knife by hand with mild soap and warm water.
  2. Use a soft sponge or cloth to clean the blade and handle.
  3. Rinse thoroughly to remove any soap residue.
  4. Dry the knife immediately with a clean, soft towel.

By avoiding these damaging practices and implementing proper knife care techniques, you can ensure that your knives stay sharp and perform at their best. Remember, a well-maintained knife is not only more efficient but also safer to use in the kitchen.

Conclusion

Maintaining sharp knives is key to safe and efficient cooking. By following the tips outlined in this article, you can ensure your knives stay in top shape for all your culinary adventures. From choosing the right cutting surface to mastering proper handling and storage, these practices have a big influence on the longevity and performance of your kitchen knives.

Remember, regular care is essential to keep your knives sharp. Honing your blades frequently and sharpening them when needed will help maintain their cutting edge. By avoiding damaging practices like dishwasher use and cutting on hard surfaces, you'll protect your knives from unnecessary wear and tear. In the end, a well-maintained knife is not just a tool, but a trusty companion in your kitchen, ready to tackle any culinary challenge you throw its way.

The Author: Yakushi Knives

Yakushi Knives are the highest quality, handmade Japanese damascus steel kitchen chef knives.

Our quality damascus steel knives are the best Japanese kitchen knives and kitchen knife sets. Whether you are looking for a sushi knife, a butcher knife, Japanese chef knives, a kiritsuke knife, butchering knives, a sashimi knife or accessories such as a whet stone, knife sharpener or cutting board, our store will have something that will catch your eye and please the inner chef in you!

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Frequently Asked Questions

How can I ensure my knife remains sharp?

To maintain your knife's sharpness, regularly draw the blade down a whetstone, maintaining a consistent angle and using a wide circular motion. Start from the base and move to the tip, repeating several times. Then, flip the knife to sharpen the other side.

What techniques do professionals use to keep their knives sharp?

Professionals typically use a combination of honing and sharpening techniques to keep their knives in top condition. Regular maintenance includes using honing steels to realign the blade and periodic sharpening with a whetstone or other sharpening tools.

What is the best way to store knives to ensure they stay sharp?

To prevent dulling, store your knives with the blade facing up. Whether you use a knife block or an in-drawer sheath, make sure the knife rests on the side opposite the sharp edge.

How do most home cooks maintain the sharpness of their knives, especially if they have physical limitations?

Many home cooks find a balance between using honing steels for regular maintenance and professional sharpening services when necessary. If physical limitations make manual sharpening difficult, using a honing steel regularly and opting for professional sharpening services when the blade becomes dull is an effective strategy.