the proof of the pudding is in the eating
idiomPart ofproof
the proof of the pudding is in the eating — idiom
1. You cannot truly judge the quality or value of something until you try it or use
1.idiom
Definition
You cannot truly judge the quality or value of something until you try it or use it for yourself.
Example
The new software looks good on paper, but the proof of the pudding is in the eating — we need to test it with real users.
Amani was skeptical about the recipe, but the proof of the pudding is in the eating, and everyone asked for seconds.