You can certainly use a little dish soap, but not with anything abrasive. I used to use a stiff-bristled brush on mine, but these days I'm actually using a litt

You can certainly use a little dish soap, but not with anything abrasive. I used to use a stiff-bristled brush on mine, but these days I'm actually using a little square of stainless steel chainmail intended for cleaning cast iron. There are no sharp edges to dig into the finish, but it's hard enough and flexible enough to get a good scrub going.