Japanese sauce (3)
I believe the answer is:
soy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">japanese sauce</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 soy that I've seen before include "Chinese sauce" , "Dark salty sauce" , "Sauce bean" , "Oriental sauce" , "Piquant eastern sauce" .)