How to Sharpen and Care for Your Knives

5 min read

Overview

Extend the life of your kitchen knives with proper sharpening and maintenance techniques.

Key Tips

1
Master sharpening techniques: A sharp knife is not only more efficient but also safer, as it requires less force to cut, reducing the risk of slips and accidents. One of the most effective ways to sharpen knives is using a whetstone (sharpening stone). Choose a stone with two grits - a coarse grit (1000-2000) for repairing dull blades and a fine grit (4000-8000) for refining the edge. To use a whetstone, soak it in water for 10-15 minutes, then place it on a non-slip surface. Hold the knife at a 15-20 degree angle (15 degrees for Asian-style knives, 20 degrees for Western-style knives) and make smooth, consistent strokes on both sides, alternating between sides after each stroke. For beginners, electric sharpeners or sharpening systems provide a more foolproof method, automatically maintaining the correct angle. Plan to sharpen your knives every 3-6 months depending on how frequently you use them.
2
Hone regularly to maintain the edge: Honing (using a steel rod) is different from sharpening - it doesn't remove metal but instead realigns the microscopic edge of the blade that can become bent during use. Think of it as straightening a bent wire rather than sharpening it. Make it a habit to hone your knives before each use or at least once a week. Hold the steel vertically with the tip resting on a cutting board, then draw the knife across the steel at a 15-20 degree angle, starting from the base of the blade and moving toward the tip. Repeat 3-5 times on each side. A honing steel is an essential tool for keeping your knives performing their best between sharpenings.
3
Practice proper cleaning and drying: Never put knives in the dishwasher - the harsh detergents, high heat, and agitation can damage the blade's edge, corrode the metal, and warp or crack wooden handles. Instead, wash knives by hand immediately after use with mild dish soap and warm water. Use a soft sponge or cloth to avoid scratching the blade, and never leave knives soaking in water for extended periods, as this can cause rust and damage the handle. After washing, dry the knife thoroughly with a clean towel - moisture left on the blade can lead to rust spots and corrosion.
4
Store knives safely and properly: The way you store your knives can significantly impact their longevity and safety. Avoid throwing knives in a drawer with other utensils, as this can dull the blade and cause accidents. Instead, use a knife block with slots designed for different blade sizes, a magnetic strip mounted on the wall (which also makes knives easy to access), or individual blade guards for each knife. If using a knife block, make sure the slots are clean and dry to prevent bacteria growth. For magnetic strips, ensure the strip is strong enough to hold your knives securely, and avoid mounting it near heat sources or where it could be bumped.
5
Avoid common damaging practices: There are several common mistakes that can quickly dull or damage your knives. Never cut on hard surfaces like glass, ceramic, or metal - these materials are harder than steel and will quickly wear down the blade's edge. Instead, use wooden or plastic cutting boards, which are softer and more forgiving on knife edges. Also, avoid using your chef's knife for tasks it's not designed for, like prying open cans, chopping through bones (use a cleaver instead), or slicing bread (use a serrated bread knife). By treating your knives with care and following these maintenance tips, you'll extend their lifespan and ensure they remain sharp and safe to use for years to come.