In 19th century the principles of gastronomy were already laid tho and Im pretty sure the chefs had hygien as to not have their head chopped off after a big shot found an hair in their soup.
I love how his sincerity is relayed as high-class manners - so adorable! and the fact that he's adaptable is def more a personal trait, rather than the trait of a civil servant, just saying.
I wonder if that elegance cheat works both directions? So he's actually getting bland and overcooked 19th century food, only translated into what it would equal in his own time and world for a man such as he.