Mélange (4)
'melange' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for stew that I've seen before include "Lazy person" , "Fret" , "Worried agitation" , "Slow cooked meat dish" , "Cook (in one's own juices?)" .)
(Other definitions for hash that I've seen before include "preparation that's nothing new" , "that's smoked a lot" , "Mess; meat/potato dish" , "Minced meat and vegetables - a mess!" , "Reheated dish" .)