Cooked Cape sole, cole and peas? This dish perhaps repeated (8)
I believe the answer is:
escalope
'cole and peas? this dish perhaps repeated' is the definition.
The definition and answer can be both things that one consumes for nourishment as well as being singular nouns.
Maybe you can see a link between them that I don't see?
'cooked cape sole' is the wordplay.
'cooked' indicates an anagram (letters cooked into a new form).
'cape'+'sole'='capesole'
'capesole' anagrammed gives 'ESCALOPE'.
(Other definitions for escalope that I've seen before include "Thin slice of boneless meat" , "F" , "Thin piece of meat" , "Cut of meat" , "food" .)