proof is in the pudding

the proof is in the pudding

The final results of something are the only way to judge its quality or veracity. Our analysts think that the marketing campaign will reinvigorate our sales, but the proof is in the pudding, so let's see how our figures look at the end of the year. OK, if I did everything right, the engine should work right, but the proof will be in the pudding.
See also: proof, pudding
Farlex Dictionary of Idioms.

proof is in the pudding

Prov. You cannot be sure that you have succeeded until you have examined the result of your efforts. Jill: I think we've done a good job of fixing the lawn mower. Jane: Well, the proof is in the pudding. We haven't tried to mow the lawn with it yet.
See also: proof, pudding
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • the proof is in the pudding
  • the proof of the pudding
  • proof of the pudding, the
  • proof of the pudding is in the eating, the
  • the proof of the pudding is in the eating
  • jibe
  • jibe with
  • jibe with (something)
  • increase
  • increase (something) by (something)
References in periodicals archive
Now comes the Urban Dictionary that says this has been "messed up by idiots" and mutilated into this form: "The proof is in the pudding."
"The proof is in the pudding" means that a chef's excellence is evidenced by the food he prepares.
It's always said the proof is in the pudding, but Labour's pudding failed before the ingredients got mixed.
QUICK MICROWAVE CHRISTMAS PUDDING "The proof is in the pudding" as they say and this is a full proof, delicious recipe of making it.
If you know the expression "The proof is in the pudding," you catch my sentiment.
Sceptics wonder whether Education Minister Leighton Andrews has done his homework, and while the proof is in the pudding, the cost to English students studying inWales will be crucial.
"THE PROOF IS IN THE PUDDING" is the modern variant of an old proverb that was originally phrased "the proof of the pudding is in the eating." Literally, it means that the true worth of something can only be judged when it is put to its intended use.
The guys have worked so hard and the proof is in the pudding.
"Of course, the proof is in the pudding," he remarks.
As I said earlier, the proof is in the pudding. Only about 65 passed in the legislatures.