Crossword Genius

Caloric diets were cooked as part of China’s Big Brother show? (6,6)

Ross

I believe the answer is:

social credit

I'm a little stuck... Click here to teach me more about this clue!

'big brother show?' is the definition.
The definition suggests a singular noun which matches the answer.

'caloric diets were cooked as part of china's' is the wordplay.
'caloric diets' anagrams to 'SOCIAL CREDIT'.
Though, I am not sure how this is indicated.

Can you help me to learn more?

I've seen this clue in The Hindu.
Want a hint initially instead of a full solution? Install my app