proof of the pudding

[ proofuhvthuh-pood-ing ]

noun
  1. the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.

Origin of proof of the pudding

1
First recorded in 1600–20; from the proverb “The proof (i.e., test) of the pudding is in the eating”

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024