Pepper pot: mine needs to be shaken (7)
I believe the answer is:
pimento
'pepper' is the definition.
(pimento is a kind of pepper)
'pot mine needs to be shaken' is the wordplay.
'pot' becomes 'p' (I can't explain this - if you can you should believe this answer much more).
'needs' is a charade indicator (letters next to each other).
'be shaken' indicates anagramming the letters.
'mine'+'to'='mineto'
'mineto' with letters rearranged gives 'imento'.
'p'+'imento'='PIMENTO'
Can you help me to learn more?
(Other definitions for pimento that I've seen before include "Vegetable" , "Something spicy" , "Allspice - top mine (anag)" , "Sweet red pepper" , "Type of pepper" .)