Cold dessert (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cold dessert</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for trifle that I've seen before include "Dessert; act frivolously" , "Act foolishly" , "Small amount; dish" , "Type of dessert" , "Pudding - bagatelle" .)
(Other definitions for blancmange that I've seen before include "Dessert of flavoured milk stiffened with cornflower" , "Jelly-like pudding made with milk" , "Sweet dessert" , "Jelly-like dessert" , "Wobbly dessert" .)