You should never use soap on cast iron. You will take off the seasoning that you work so hard to build.
The salt scrubbing smooths the surface and will fill in the cracks, then you seal it with grease. Salt is also how you are supposed to clean stainless steel, btw.
The salt scrubbing smooths the surface and will fill in the cracks, then you seal it with grease. Salt is also how you are supposed to clean stainless steel, btw.
