Make beer (4)
I believe the answer is:
brew
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make beer</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 brew that I've seen before include "Ferment, concoct" , "Make beer by boiling and fermentation" , "Ferment rather than distil" , "Make (tea/coffee)" , "Cup of tea (informal)" .)