Batter ingredient (5)
I believe the answer is:
flour
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">batter 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 flour that I've seen before include "Delivery from miller" , "White powder" , "Powdered grain" , "Finely ground meal" , "Ground and sifted cereal grain meal" .)