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What Is Opera Cake?

Jessica Ellis
Updated May 16, 2024
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An opera cake is a French dessert noted for its delicate, intensely flavored layers. Believed to be created in the late 19th century by famed pastry chef Louis Clichy, the dessert later became known as L'opera, possibly because its many layers reminded patrons of separate operatic “acts.” A traditional opera cake is comprised of almond-flavored sponge cake, coffee buttercream, chocolate ganache, coffee syrup, and a chocolate glaze.

Though the birth of the opera cake is traced back to Louis Clichy, the fame of this delicate cake is linked with Dalloyau Paris, one of the oldest bakeries in France. Dating back to the late 17th century, Dalloyau re-popularized the opera cake in the mid-20th century, creating a signature version soon copied throughout the world. One distinguishing element of the original dessert is an edible gold square that sits atop the dessert. Imitation versions that use similar recipes often include the gold square made famous by Dalloyau.

The base of the opera cake is an almond-flavored sponge cake. Using a real sponge recipe is vital to the texture of the cake, since it must be able to absorb a significant amount of moisture from the other ingredients. Though exact recipes vary, many use a batter that requires stiffly-beaten egg whites and ground almonds, creating a dry texture that will hold its shape even while damp. When the cake is assembled, a coffee-flavored syrup is poured on top of each layer of sponge, deeply infusing the dessert with a rich mocha flavor.

The chocolate and coffee creams that provide the rich, creamy flavor of the cake are simple recipes that benefit from superior ingredients. Some recipes call for the use of instant espresso to make the coffee buttercream, but strong-brewed coffee can work just as well. A simple way to make it is to microwave heavy whipping cream until it simmers, then pour it over an equal amount of good-quality semi-sweet or bittersweet chocolate. After the chocolate melts, the ganache can be stirred to the desired consistency, or refrigerated for two hours and whisked to make a light, fluffy ganache. A time-saving maneuver is to reserve half of the initial, thin ganache for topping the cake, while cooling and whipping the other half to fill the cake.

To assemble the cake, the almond sponge is first sliced into three thin layers, which will each be topped with coffee syrup. Traditional opera cakes are layered from bottom to top as follows: sponge, coffee buttercream, sponge, chocolate ganache, sponge, chocolate glaze. The cake is then refrigerated for several hours to allow the glaze to firm.

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Jessica Ellis
By Jessica Ellis
With a B.A. in theater from UCLA and a graduate degree in screenwriting from the American Film Institute, Jessica Ellis brings a unique perspective to her work as a writer for DelightedCooking. While passionate about drama and film, Jessica enjoys learning and writing about a wide range of topics, creating content that is both informative and engaging for readers.
Discussion Comments
By Scrbblchick — On Mar 25, 2014

I've never heard of an opera cake, but coffee, chocolate and almond are a hit with me! I can't see anything about this cake to dislike. I'll have to check for a recipe. It's unusual for me to find a cake that I haven't even seen in a cookbook, but that's the case with this one.

Sponge cake isn't that difficult, and neither are ganache or coffee syrup, so none of the components are particularly labor intensive.

Jessica Ellis
Jessica Ellis
With a B.A. in theater from UCLA and a graduate degree in screenwriting from the American Film Institute, Jessica Ellis...
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