Sugar or flour
I believe the answer is:
staple
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sugar or flour</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 staple that I've seen before include "Basic element" , "Fastening wire" , "Paper-fastening device" , "Main - way to fasten paper" , "One securing hasp; principal" .)