Like mayonnaise (6)
I believe the answer is:
creamy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like mayonnaise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for creamy that I've seen before include "Rich and smooth like milk product" , "Yellowish-white in colour like best of milk" , "A mercy (anag)" , "Like Guernsey milk" , "Rich like fatty part of milk" .)