Italian dish — it’s roots in a stew (7)
I believe the answer is:
risotto
'italian dish' is the definition.
(type of Italian meal)
'it's roots in a stew' is the wordplay.
'in a stew' is an anagram indicator.
'it'+'roots'='itroots'
'itroots' with letters rearranged gives 'RISOTTO'.
(Other definitions for risotto that I've seen before include "Italian dish cooked with broth" , "Italian recipe" , "Italian food" , "F" , "Italian course" .)