meat and potatoes vs must-have

meat and potatoes

noun
  • The essential part or parts of something. 

  • Used other than figuratively or idiomatically: see meat, and, potatoes. 

adj
  • Normal, average, typical, unexceptional, or nondescript. 

must-have

noun
  • An item that one must own, or a feature that is essential to a service, etc. 

adj
  • Essential to own. 

How often have the words meat and potatoes and must-have occurred in a corpus of books? (source: Google Ngram Viewer )