The dining car on Amtrak
Here's an article on their "reinvention" where they claim the choices are actually better.
First of two parts ABOARD THE SOUTHWEST CHIEF — A month after Amtrak revamped dining-car menus on the five long-distance trains that serve the West Coast — replacing pre-packaged meals in a bowl with freshly-prepared breakfasts, lunches, and dinners — it’s clear the company is aiming for a...
www.trains.com
I've certainly heard of the central kitchens used solely for takeout or delivery orders. When I heard that Fatburger supposedly had something in San Francisco, I traced it to one of these central kitchen in a tiny little alley, but with a dozen different "restaurants".
The king of commissaries was Howard Johnson's. Jacques Pépin was hired personally by Howard Johnson to help scale recipes for large quantities that would be made in their commissaries.