An éclair is an oblong pastry made with choux dough filled with a cream and topped with chocolate icing. The dough (profiterole) is typically an oblong shape with a pastry bag and baked until it is crisp and hollow inside.

An éclair is an oblong pastry made with choux dough filled with a cream and topped with chocolate icing. The dough (profiterole) is typically an oblong shape with a pastry bag and baked until it is crisp and hollow inside.