tried and tested
idiomPart oftry
tried and tested — idiom
1. used to describe a method, product, or approach that has been used many times in
1.idiom
Definition
used to describe a method, product, or approach that has been used many times in the past and has proven to work well.
Example
The chef used a tried and tested recipe for the wedding cake.
In teaching, tried and tested methods often work better than new ideas.