pudding

pudding /ˈpʊdɪŋ/ noun
plural puddings
pudding
/ˈpʊdɪŋ/
noun
plural puddings
Britannica Dictionary definition of PUDDING
[count, noncount]
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 pudding

also the 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