meat-and-potatoes
adjective /ˌmiːt ən pəˈteɪtəʊz/
  /ˌmiːt ən pəˈteɪtəʊz/
[only before noun] (North American English)- dealing with the most basic and important aspects of something- a meat-and-potatoes argument
- meat-and-potatoes police work
 
- liking plain, simple things- He's a real meat-and-potatoes guy.