fast food
noun /ˌfɑːst ˈfuːd/
  /ˌfæst ˈfuːd/
 [uncountable]- hot food, such as hamburgers and chips, that is served very quickly and can be taken away to be eaten in the street
- fast-food restaurants
 - America's favourite fast-food chain
 
Oxford Collocations DictionaryFast food is used before these nouns:- chain
 - franchise
 - joint
 - …