Salty cheese (4)
I believe the answer is:
feta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">salty cheese</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 feta that I've seen before include "Goat's or sheep's milk cheese" , "White Greek cheese" , "Greek cheese from goat or sheep milk" , "Greek salad cheese" , "Salty Greek cheese" .)