Salted roe (7)
I believe the answer is:
caviare
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">salted roe</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for caviare that I've seen before include "Sturgeon roe" , "Avarice (anag)" , "Expensive delicacy" , "Sturgeon's roe" , "eggs that can be expensive" .)