spot may leave some mold behind.
Wipe it off and the visible patch is gone, but that doesn’t mean the mold is gone too. The roots can remain below the surface, even when the cheese looks clean. That is why the one-inch buffer exists. You are not just cutting away what you see. You are cutting away the part you can’t.
It stays rare for spores to travel far through a dense block, which is why cheddar gets rescued so often while a slice of sandwich cheese does not. But
