the proof is in the pudding
Advanced (C1)neutral
You can only judge how good something is by actually trying it.
"They promised a revolutionary product — the proof is in the pudding once customers use it."
Hear it in context

How We Grew Koch Inc. to $150 Billion Without Going Public: Charles & Chase Koch
All-In Podcast · 93:49
The proof is in the pudding?

Man City’s DRAMATIC Draw vs. Everton | Arsenal Inches Closer To Premier League Title
CBS Sports Golazo · 13:13
The proof is in the pudding.

How will Leafs new management structure work?
TSN · 4:22
And the proof is in the pudding.

Nano Banana Pro: But Did You Catch These 10 Details?
AI Explained · 14:27
I think the proof is in the pudding.

511
José Vieira · 18:10
mean, the proof is in the pudding right