Why Does My Cutting Board Warp After Washing It?
Your cutting board warps because one side got wet and the other didn’t — wood swells unevenly, and it bends toward the drier side. Fix the drying habit and the warping stops. It’s one of those kitchen mysteries that seems random until you know what to look for: the board looks fine, you wash it, you set it down to dry, and somehow by morning it’s rocking on the counter like a seesaw. It’s not bad luck and it’s usually not a bad board. It’s physics, and it’s fixable. Why Warping Actually Happens Wood is made of tiny fibers that absorb water and swell when wet, then shrink back down as they dry. A cutting board is fine with this as long as both sides absorb and release moisture at the same rate. The trouble starts when one face of the board gets soaked — say, from sitting in a sink of soapy water or lying flat on a wet dish towel — while the other face stays relatively dry. The wet side swells more than the dry side. Since the two sides are ...
