Earthenware cooking dish (7)
I believe the answer is:
terrine
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">earthenware cooking dish</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 terrine that I've seen before include "Oval, earthenware cooking dish" , "Type of dish" , "A coarse pate, its dish" , "Oval dish for pate" , "Cooked dish" .)