Jumbled mixture (4)
(Other definitions for hash that I've seen before include "Reheated dish" , "Stew - key" , "Recycled food" , "Chopped meat mixed with potatoes and browned" , "Recooked dish for shah" .)
(Other definitions for hotchpotch that I've seen before include "Confused mixture" , "Traditional stew" , "jumble" , "Mutton stew" , "Confused medley" .)