Molasses (7)
I believe the answer is:
treacle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">molasses</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for treacle that I've seen before include "Sweet, black viscous substance" , "Sticky fluid" , "Golden syrup" , "Sticky produce" , "Thick syrup from sugar cane" .)