crous·tade 
(kr-städ)
(kr-städ)n.
A molded or hollowed bowllike crust, as of pastry, rice, or bread, used as a serving container for another food.
[French, from Provençal croustado, from Old Provençal, from Latin crūstātus, past participle of crūstāre, to encrust, from crūsta, crust; see CRUST.]
croustade