cut-and-dried

or cut-and-dry

[ kuht-n-drahyd ]
/ ˈkʌt nˈdraɪd /

adjective

prepared or settled in advance; not needing much thought or discussion: a cut-and-dried decision.
lacking in originality or spontaneity; routine; boring: a lecture that was cut-and-dried.

Origin of cut-and-dried

First recorded in 1700–10

Idioms and Phrases with cut and dried

cut and dried

Ready-made, predetermined and not changeable. For example, The procedure is not quite cut and dried—there's definitely room for improvisation. This expression originally alluded to herbs for sale in a shop, as opposed to fresh, growing herbs. [c. 1900]