There are dining cars on German trains, even 'though a long train journey is four hours or so.
The menus change out every so often. Recently the featured item was chili con carne. With a dollop of sour cream. That prompted a discussion on international ferroequinologist Twitter over whether sour cream is proper in chili con carne. It is. That's common in cantinas Stateside, and the sour cream is a way of garnishing soljanka.
Meanwhile, Amtrak passengers get to be grateful that there might be some hot food in the Contemporary Dining Experience.
Fred Harvey wept.