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What dulls a knife the fastest?

When it comes to knife safety, there's never a dull moment. #1: Using It on Glass or Stone. #2: Letting It Clatter Around a Drawer. #3: Leaving It in the Sink. #4: Putting It in the Dishwasher. #5: Storing It Wet or Leaving It in a Drying Rack. #6: Scraping It Across Your Cutting Board. #7: Using It Dull. More items...

seriouseats.com - 9 Ways You Might Be Ruining Your Knives - Serious Eats

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Straight to the Point You can read below about all the ways you should not be using your knives, but if you're in the market for a new chef's knife head to our review. Our top picks include the Wüsthof 8-Inch Classic Chef's Knife and Mac Knife Chef Series Hollow Edge Chef's Knife. So you've got yourself a shiny new chef's knife. That razor-sharp factory edge is so pretty, you're hesitant to even touch it. But a knife unused is like a guitar un-plucked. An ear of corn un-shucked. A drill bit un-chucked. A dodgeball un-ducked...you get the idea. Knives are made to be used, so use them. But, if you want to keep that blade shiny and sharp for as long as possible, here are nine things you should never do with your knife. When it comes to knife safety, there's never a dull moment.

#1: Using It on Glass or Stone

Serious Eats / J. Kenji López-Alt

You hear that clink, clink, scchrrrrrk, tink noise as your knife blade touches down on that glass or marble cutting board? It may seem like the sound of metal against glass, but really it's the sound of your knife screaming out in agony as you not-so-slowly grind its life down. Make sure to use a wood or plastic cutting board to keep your knife blade sharp for a long time. Frankly, I don't know why anyone even makes glass or marble cutting boards. Would that their businesses join the countless knife blades they've already sent to an early grave.

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#2: Letting It Clatter Around a Drawer

Serious Eats / J. Kenji López-Alt

Putting your knife in a drawer with other loose tools is a great way to get nicks and dings on it, not to mention a great way to slice your finger when you dig around in that drawer for the handle. A magnetic knife rack works if you're short on drawer space, though I prefer using an in-drawer storage to keep my knives stable and protected. At the very least, get yourself a set of plastic blade protectors to keep those blades (and your fingers) safe as they clatter around.

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#3: Leaving It in the Sink

Serious Eats / J. Kenji López-Alt

Sinks are made of metal or ceramic. Sinks are slippery and smooth. Sinks are often filled with soap suds and plates. A knife in a sink is going to slide around, bang into the walls, or, worse, get hidden under soap bubbles and dirty dishes, where it'll lie in wait until an unsuspecting hand reaches down for it. Never leave your knife in the sink after using it.

#4: Putting It in the Dishwasher

Serious Eats / J. Kenji López-Alt

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Whether it's on the rack or in the utensil caddy, there's no good place for a knife in the dishwasher. The high-pressure water spray will inevitably bump it around, causing it to bang against the rack and dulling its blade. Always wash your knives by hand. And what's that? You want to rinse it and leave it out to dry? Well...

#5: Storing It Wet or Leaving It in a Drying Rack

Serious Eats / J. Kenji López-Alt

If you've got a dedicated space to place your knife after rinsing it, where it will dry without danger of knocking into other utensils or scraping against the edge of a rack, and if you've got a set of perfectly maintained stainless steel blades that run no risk of rusting, then I suppose you can rinse your knives and let them air-dry. But the reality, most likely, is that your knife is going to bang against other things, and the microscopic scratches and pits in the surface are going to turn into macroscopic scratches and pits as rust eats away at them. The moral of the last three rules is this: Always wash your knife by hand, and always dry it with a towel immediately after washing it.

#6: Scraping It Across Your Cutting Board

Serious Eats / J. Kenji López-Alt

I get it. It's an easy habit to fall into. You've just finished chopping an onion, and it's scattered all over the board. You want to put it into a neat little pile, so you scrape it all together with the edge of the knife. The problem is, the edge of a knife blade is quite strong when pressed straight up and down, but can bend easily when pushed from side to side. Scraping up food with the knife perpendicular to the board will throw the edge of the blade out of alignment, dulling it. If you must move or pick up food on your cutting board, hold your knife blade at a very sharp angle—almost parallel to the cutting board—before gently sliding it, or use the back (dull) side of the blade. Better yet, get yourself a bench scraper, a tool that's specifically designed for the task (and one that I use every single time I cook).

#7: Using It Dull

Serious Eats / J. Kenji López-Alt

A dull knife will require more pressure to get through your food. More pressure means a higher chance of slipping and accidentally cutting yourself. More pressure also means that any accidents are likely to be much worse than the small nick you'd get from a sharp knife that's used gently. Make sure you keep your knives sharp at all times, for utility and safety. There are two ways that knives dull. Day to day, the blade edge will get pushed slightly out of alignment—it will resemble a wavy line instead of a straight edge. This misalignment is too small to see with the naked eye, but you'll feel it as your knife blade drags. Running it over a honing steel each time you use it will knock those wavy lines straight again.

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Apart from that daily misalignment, over time, a knife's edge will also wear down little by little, to the point where a honing steel won't be able to help it. That's when you'll need to either sharpen it yourself or take it to get professionally sharpened. With normal use, once a year or so should suffice.

#8: Leaving It Too Close to the Counter Edge

Serious Eats / J. Kenji López-Alt

Nothing makes my eye twitch more than seeing the handle of a sharp knife hanging over the edge of a counter, where someone can accidentally brush against it and send the knife toppling down.* Sure, someone might lose a toe, but, more importantly, that knife might lose a tip! *A hot pot handle hanging over the edge of the stove is a close second. By the way, never, ever try to catch a blade as it's falling. Get far away from it, and wait for it to come to rest before picking it up.

#9: Using It for Non-Knife Tasks

Serious Eats / J. Kenji López-Alt

More than one cook in the Serious Eats kitchen (including me) has admitted to using a knife for things other than its intended purpose at one time or another, but it's a habit we should all try to break. Your kitchen knife is not a box cutter. It's not a screwdriver. It's not a can opener. Don't use it as one.

FAQs

What is the best way to store knives?

For most home cooks, we recommend a magnetic knife strip or a cork-lined knife holder. Both of these knife storage solutions offer far more flexibility than knife blocks, without sacrificing safety or aesthetics.

How should I sharpen my knives?

There are a variety of ways to go about sharpening knives (note, this is different than honing). We highly recommend using a whetstone, but if you're nervous about that, we also recommend this electric knife sharpener: the Ken Onion Sharpener by Worksharp.

What makes a good chef's knife?

A good chef's knife should be sharp right out of the box. Sure, if you're skilled with a whetstone, you can always fix an edge or change its profile to suit your preferences, but that's advanced stuff. Finding a knife that's comfortable to hold is also important, but what that looks like will vary from person to person. Check out our review of chef's knives to learn about some of our favorites and get inspired.

seriouseats.com - 9 Ways You Might Be Ruining Your Knives - Serious Eats

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