Wobbly food (5)
I believe the answer is:
jelly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wobbly food</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 jelly that I've seen before include "Semi-solid dessert" , "It wobbles" , "Wobbly pudding" , "Gelatinous food" , "Wobbly dessert" .)