Container for breakfast food? (6)
(Other definitions for egg cup that I've seen before include "cooked breakfast" , "piece of tableware" , "Holder of oval food" , "Breakfast food container" , "Bearer of breakfast (with soldiers)" .)
(Other definitions for eggcup that I've seen before include "Breakfast placed here" , "Holder of an oval thing" , "Bearer of breakfast (with soldiers)" , "what held a problem for curate?" .)