Type of cake (6)
I believe the answer is:
sponge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">type of cake</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 sponge that I've seen before include "Marine creature - cadge" , "Parasite" , "Marine animal with ability as at 3 Down" , "Sea creature - cleanser - cake" , "Animal that absorbs liquid" .)