The Opera Cake, also known as Gâteau Opéra, is a classic French dessert that originated in the 1930s. This multi-layered cake consists of layers of coffee-soaked sponge cake, chocolate ganache, and coffee syrup, topped with a glaze made from chocolate and coffee. The cake is typically served in a rectangular shape, with a smooth and even surface.Recently, a new twist has been added to this classic...More