Cheek, impudence (5)
I believe the answer is:
sauce
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cheek</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">impudence</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for sauce that I've seen before include "Flavoursome relish or dressing" , "Insolence" , "Cranberry or brandy, say" , "Food accompaniment" , "Dressing served with food" .)