The most common and most likely answer to this crossword clue is the 7 letter word CHEFFED
C
H
E
F
F
E
D
Buddy explains!
The straight part
We know that "Worked in kitchen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case worked in kitchen = cheffed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CHEFFED mean?
CHEFFED verb- To work as a chef; to prepare and cook food professionally.
- To stab with a knife, to shank, to lacerate with a rambo.