Origin of Phrases - T
The proof is in the pudding
Meaning: The end result or finished product is determines success or failure.
Example: Although we've made great progress arranging the party, the proof is in the pudding.
Origin: This is an abbreviated version of the term "the proof of the pudding is in the eating". To the British, pudding means the same as dessert in the US. The point of the term is that one cannot determine how good a dessert will be during preparation or based on appearance. How good a dessert will be can only be determined by the final taste.