Leftovers dish
I believe the answer is:
hash
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leftovers dish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hash that I've seen before include "dish of meat and potatoes" , "Recooked dish for shah" , "reheated meat and vegetables" , "preparation that's nothing new" , "Reheated dish" .)