best-before date
noun /ˌbest bɪˈfɔː deɪt/
/ˌbest bɪˈfɔːr deɪt/
(British English)- a date printed on a container or package, advising you to use food or drink before this date as it will not be of such good quality after that
- The flour is not yet past its best-before date.