Well,....if she ran that knife through the dishwasher,you're never gonna get that edge back as permanent unfortunately . Makes me cringe just to read that brrrrr.:cry:
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The problem with many plastic cutting boards is they are easily scared/scratched by most cutting tools.
What saves them in the commercial world is that they can be aggressively washed and sanitized (two different steps)
Using some pretty harsh stuff and very hot water.
And you have a rack full of clean ones, once you finish a task the board goes off to be washed and you just reach for a fresh one..
(Note - at home it is bad form to shout out "porter to the line" when you need something...also if you pick up a clean dish and find a spot on it, do not throw it at the sink, floor, occupants of the room, etc.)
And any surface can be a vector for cross contamination.
The classic is you cut a whole raw chicken, someone grabs the cutting board (and knife?) out of the sink and just rinses it off.
They then use it (unknowing lets say) to prep a salad.
The chicken will be cooked, the salad will not.
We all know how this story ends...
So to my fellow fans of having at least one nice wood cutting board.
Don't use them if they are split
Mind the cross contamination (true for all surfaces and tools)
And my recommended deep cleaning is clean the board first with running water and something like a scotchbrite pad.
Then coat it liberally with coarse (Kosher) salt to scrub all the surfaces...rinse again.
Periodically treat with a food safe oil (walnut is nice) and avoid say...linseed oil (toxic)
I don't use a bleach solution (1TBLS/Gal Water or 4ml/L) on anything but Stainless and plastic. (and it needs to be plain chlorine bleach, no scents etc.)
For more on the subject of sanitation with bleach try http://ucfoodsafety.ucdavis.edu/files/26437.pdf
Now if you will excuse me the SWMBO has ordered Carrot Batonnet's and I must be off...
My wife does the same, beats the living dog sh!t out of a knife. I'll have them sharpened and within a week you're lucky to cut a ripe banana with it. Since we've lived together, I've picked up a few ceramic knives simply because they stay sharp through a lot of abuse. If after a couple years they aren't working so well, discard and start over.
Don't believe so but, I shall investigate that. I mean to be quite honest, for the way I use a cutting board anymore all I'de really need is one and any excuse to get a nice big fat wooden old school cutting block is always a good thing heh heh. But just for the sake of it. They are still sold at most cooking/foodie stores and such.