Garlicky mayonnaise (5)
I believe the answer is:
aioli
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">garlicky mayonnaise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aioli that I've seen before include "A lamb joint; driven clouds" , "garlic dip" , "Mayo, in part?" , "11 [SAUCE]" , "Mayonnaise with garlic" .)