American biscuit (6)
I believe the answer is:
cookie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">american biscuit</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 cookie that I've seen before include "Identifying data; biscuit" , "Piece of computer data" , "An American sweet biscuit" , "Biscuit; computer data" , "Biscuit - information tag placed on browser" .)