Leftover egg whites are used to make these cute and real-looking mushrooms. They taste good, but are generally used as a garnish for holiday cakes, especially the traditional French Bûche de Noël. - Recipe for Meringue Mushrooms - Desserts at BellaOnline
These funny little confections are a traditional garnish for Buche de Noël. My mother used to make them with us when we were growing up -- they're a great project to make with young kids. They also make for a fun edible present.