Dances around to provide pickled food (6)
I believe the answer is:
capers
This clue might be a double definition.
'dances around' is the first definition.
'capers' can be an answer for 'dances' (caper can mean to dance or skip around). I'm not certain of the 'around' bit.
'pickled food' is the second definition.
(capers are usually pickled)
'to provide' is the link.
Can you help me to learn more?
(Other definitions for capers that I've seen before include "Antics and pickled flower-buds" , "Pranks and pickled buds" , "Jolly japes" , "Scrape (anag)" , "Jumps, runs about playfully" .)