Scotch flavorer (4)
I believe the answer is:
peat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scotch flavorer</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 peat that I've seen before include "Tape (anag.)" , "Form of fuel" , "Partially carbonised vegetable matter saturated with water" , "Bog material" , "Decomposed vegetable matter" .)