Cafeteria food
American SlangDefinition
Pejorative shorthand for bland, mass-produced institutional fare perceived as low quality.
Examples
"This hotel buffet tastes like straight-up cafeteria food—bland and rubbery."
"The chain’s new chicken sandwich is cafeteria food at best, all filler and no flavor."
"They gave us catered lunches, but it was basically cafeteria food: lukewarm, mass-produced, and forgettable."