Tortilla snack (5)
I believe the answer is:
nacho
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tortilla snack</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nacho that I've seen before include "Mexican bite" , "Mexican corn chip eaten with cheese, etc" , "Mexican dish" , "Piece of tortilla served with sauce" , "Tortilla with cheese, etc" .)