Crossword Genius

Fast food grub her ma cooked (9)

Ross

I believe the answer is:

hamburger

'fast food' is the definition.
(I've seen this before)

'grub her ma cooked' is the wordplay.
'cooked' indicates anagramming the letters (letters cooked into a new form).
'grub'+'her'+'ma'='grubherma'
'grubherma' with letters rearranged gives 'HAMBURGER'.

(Other definitions for hamburger that I've seen before include "Item of fast food" , "minced beef roll" , "Citizen of Europe" , "Fried cake of minced beef served on a bun" , "beefcake" .)

I've seen this clue in The Sun.
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