A cooked meal (8)

I believe the answer is:

porridge

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'a cooked meal' is the definition.
The answer and definition can be both things that one consumes for nourishment as well as being singular nouns.
Maybe there's a link between them I don't understand?

This is the entire clue.

Can you help me to learn more?

(Other definitions for porridge that I've seen before include "hot stuff?" , "Breakfast dish or slangy prison term" , "Jail sentence" , "milk and oats together" , "type of bird" .)

I've seen this clue in The Globe and Mail.

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