Bakery most upset about nutritionist’s latest attack (4,2,5)
I believe the answer is:
take by storm
'attack' is the definition.
(take by storm can mean to capture using force)
'bakery most upset about nutritionist's latest' is the wordplay.
'upset' indicates an anagram.
'about' indicates putting letters inside.
'latest' says to take the final letters.
The last letter of 'nutritionist' is 't'.
'bakery'+'most'='bakerymost'
'bakerymost' is an anagram of 'takebysorm'.
'takebysorm' going around 't' is 'TAKE BY STORM'.
(Other definitions for take by storm that I've seen before include "Captivate totally and instantly" , "Violently capture" .)