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  • Bad Habits that Dull Your Kitchen Knives

    January 23, 2024 3 min read

    A sharp knife only stays sharp as long as you take care of it. It makes all the difference in the world when you use your honing rod, use the right cutting board, and store your knives properly. Even an otherworldly sharp knife like a Masashi Shiroshu will get dull faster if treated poorly. That said, the biggest part of knife care comes down to how you use the blade. Good habits can make or (quite literally) break your edge.

     

    Cutting Technique

    Knives aren’t meant to push straight through food with a downward motion like a guillotine, the way we’re shown on TV. If they were, they would all be very short and their handles would be on top. When I teach basic knife skills, I always tell folks to let the knife do the work. Use the entire blade, and let it glide gently through the food. This allows the edge to do the hard work for you. It also contacts the cutting board less forcefully, which is more gentle on the edge.

    If you force the knife straight down through a red pepper, odds are the whole edge won’t touch your cutting board, and everything will be stuck together with a thin strip of skin like a string of paper dolls. You’ll be tempted to use the edge of the blade to scrape the pieces apart, and that’s a one-way ticket to Dullsville. 

    You can check out our full article on knife skills here.

    Bad Habits

    We’re all guilty of using the edge of our knife to push food around the cutting board; I know I am. I’m always pushing garlic into a little pile to mince it or scraping a pile of cabbage out of my way so I can keep chopping. I have chipped at least one knife this way and have had many more lose their sharpness far too soon because of this habit. The scraping sound you hear on the cutting board is your edge literally folding over and crying out in pain.

    If you are a notorious edge scraper like me, simply flip the knife over and use the spine as your food snowplow. You can scrape the spine all day without harming it. 

    A lot of people use a taller knife like a nakiri to scoop up everything they’ve just chopped, and transfer it to a hot pan for a stir-fry. This is okay so long as you’re careful and hold the knife super low to the cutting board, but there’s still a risk of cutting yourself or someone else. You’re better off using a Food Scoop, there’s no chance of cutting yourself with one of these.

    Cutting Surface

    The biggest culprit in crimes against knife edges is the cutting board you choose. Make sure you are using wood or plastic, as they are softer and won’t dull your knives as quickly. End grain boards from Larchwood are the holy grail of cutting boards. They’re sustainably made in Canada, and you’ll be cutting into the grain of the wood rather than across it, which means less dulling. Hasegawa are excellent, especially if you prefer a synthetic board. Avoid hard materials like glass, bamboo, granite and dense composite boards. They'll dull your knife REAL fast.

    Honing Your Knife

    Get in the habit of using your honing rod often. When I was still a chef, I would tell the cooks who worked for me that they should be using their honing rod every time they began a new task. That might be a bit overkill, but giving your knife a few passes on the rod every day before starting dinner will go a long way. Every time your knife feels a little worse for wear, use the rod. The rod keeps the knife edge straight so it can stay sharp for up to twice as long. It won’t bring your edge back from the grave; rather, it works as preventative maintenance.

    Like anything, practice makes perfect. Learn good technique and habits by taking our knife skills class, or check out our YouTube videos for an online lesson. The more confident you are, and the less you scrape that beautiful knife, the more you’ll enjoy a wickedly sharp edge.

       Chris Lord
    Chris Lord

    Chris is a relocated Maritimer that can be found slinking in and out the back doors of Ottawa's restaurants, often with his daughter in tow. Chris has been a fixture in the Ottawa food scene for the past 10 years and has recently laid down his apron to learn the ways of Knifewear. Chris loves cooking big pieces of meat over a live fire and spends his summer feeding wood into his BBQ, Lemmy Smoke-mister.