Um, no.

A banquet mirror is a large mirror laying horizontally with artfully
arranged appetizers, fruits, cheeses, deli meats and/or desserts on
top, all centered around a centerpiece.

GiGi: That's all the things I keep finding; small dessert trays. I'm
looking for the big hotel style ones. Apparently, either no one does
them, no one cares about them, or they're a jealously guarded secret.