A patisserie is a type of bakery that specializes in the production of pastries, cakes, and other sweet treats. The term PATISSERIE PRODUCT can refer to a variety of items, such as an ECLAIR, which is a pastry made with choux dough filled with a cream and topped with icing, a TART, which is a pastry crust with a sweet or savory filling, a PIE, which is a pastry crust filled with a sweet or savory filling, and a TORTE, which is a cake made with multiple layers of sponge cake and buttercream.