Sandwich cheese (5)
I believe the answer is:
swiss
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sandwich cheese</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for swiss that I've seen before include "Eg, native to Geneva" , "Relating to Switzerland" , "One from Basle" , "Nationality of C. G. Jung" , "From a country in west central Europe" .)