Learner's definition of PUDDING
1 US : a thick, sweet, soft, and creamy food that is usually eaten cold at the end of a meal 2 : a sweet, soft food that is made of rice, bread, etc.
4 British : a hot dish like a pie that has a mixture of meat or vegetables inside of it
the proof is in the puddingalsothe proof of the pudding is in the eating
— used to say that you can only know if something is good or bad by trying it