Burnt sugar (7)
I believe the answer is:
caramel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">burnt sugar</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 caramel that I've seen before include "Sugar solution heated till brown" , "Cooked sugar" , "Shade" , "Browned syrup" , "Burnt sugar used for flavouring" .)