It does tie into the whole food thing for me. Everyone knows that eggs or milk left in a dish turn into epoxy that can't be removed.
I learned that in a skullery job.
I'm not quite there yet.
I guess a real purist has to raise their own chickens and milk their own cow. /s lol
Be careful with oak gall ink; it can be so acid that it’ll burn holes through paper. That was a common problem back when scribes used it on vellum (made from sheep skins) and that vellum it much thicker than paper. (I’m a calligrapher and Art Historian.)