A pantry.
Seriously, I don’t think it’s that big of a luxury in all of Europe, but as someone who grew up in Paris, the idea to have an extra room that is small just to store food and it’s always full is so exciting. A friend of mine has one in her new apartment and anytime she gives the tour to someone they gasp at the fact that she has a pantry
Also, coffee to go?? I don’t think most Americans have it every day because? Isn’t that expensive??