Any delicious drink (6)
I believe the answer is:
nectar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">any delicious drink</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 nectar that I've seen before include "From which 18dn is made" , "Ambrosia" , "Sweet plant secretion" , "Sweet fluid produced by flowers" , "Heavenly brew" .)