Tahini ingredient (6)
I believe the answer is:
sesame
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tahini ingredient</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 sesame that I've seen before include "Source of seed and oil" , "Plant with edible seeds" , "Open ...... is magic phrase for opening door in pantomime" , "said to be effective in opening spell" , "which magically opens" .)