The craft of the cook? (7)
I believe the answer is:
steamer
'the craft' is the definition.
(steamer is a kind of craft)
'cook?' is the wordplay.
I cannot really see how this works, but
'cook?' could be 'steam' (steaming is a kind of cooking) and 'steam' is present in the answer.
The remaining letters 'er' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
'of the' is the link.
Can you help me to learn more?
(Other definitions for steamer that I've seen before include "Kitchen pan; ship" , "Boat, cooking vessel" , "like the African Queen!" , "Old ship -- cooking utensil" , "Boat; type of saucepan" .)