I'll try it with a stainless steel stock pot with steel lid - would anyone suggest any form if 'seasoning' of the steel? And has anyone tried a sourdough versi

I'll try it with a stainless steel stock pot with steel lid - would anyone suggest any form if 'seasoning' of the steel? And has anyone tried a sourdough version of this recipe? I have a pretty cheerful sourdough going at present.