Unfermented soya-bean curd (4)
I believe the answer is:
tofu
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unfermented soya-bean curd</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 dish" , "Cheese-like vegetarian food" , "non-meat protein" , "Unfermented soya bean curd" , "'Soft white food, made of soy milk (4)'" .)