Soya bean product (4)
I believe the answer is:
tofu
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">soya bean product</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tofu that I've seen before include "Soya bean food" , "Substitute for meat" , "Substance used in vegetarian cookery" , "Soy bean curd" , "soybean curd" .)