Cold meal (5)
I believe the answer is:
salad
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cold meal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for salad that I've seen before include "Cold vegetable dish" , "Cold dish of various vegetables," , "Cold dish of veg and herbs" , "rabbit food" , "Lettuce, cucumber etc" .)