Crossword Genius

Appetisers with pork warmed up? (4,2,8)

Ross

I believe the answer is:

pigs in blankets

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

'appetisers' is the definition.
I can't judge whether this definition defines the answer.

'pork warmed up?' is the wordplay.
I cannot really understand how this works, but
'pork' could be 'pig' and 'pig' is located in the answer.
This explanation may well be incorrect...

'with' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.
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