The whole "don't use soap on cast iron" thing is completely overblown, and comes from the old days of strong lye soap. It's perfectly ok to use modern soap on

The whole "don't use soap on cast iron" thing is completely overblown, and comes from the old days of strong lye soap. It's perfectly ok to use modern soap on cast iron. If that washes off the seasoning, it didn't deserve to be on there anyway.