Toilet recipes turns out to be actually things like "Cure for corns" and "Rye tooth powder" and "To remove pimples" and is probably the most sensible and down-to-earth segment of this otherwise insufferably pompous book.

Ngl my first thought was to look for some mention of chamber pots or outhouses, but alas! Apparently genteel people are just too gosh-darn decorous for that shit. ◔‿◔