Opéra cake was created by Cyrille Gavillon at the Dalloyau patisserie in Paris in the 1960s. His wife, Andrée Gavillon, named it after the Paris Opera. It became the signature preparation of Dalloyau and was adopted widely. It remains the benchmark test piece of the Parisian pâtissier. · Pastry Technique
This is the professional-depth technique entry for Opéra Cake, including full quality hierarchy, species precision, and cross-cuisine parallels.
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