The Entremets Revolution — Modern French Layered Cakes
The entremets (layered mousse cake) represents the most technically demanding and commercially important development in modern French pâtisserie — a genre of cake that barely existed before the 1980s and now dominates every French pâtisserie window, competition circuit, and pastry curriculum. An entremet is a multi-layered cake assembled inside a ring mould or silicone mould, frozen, glazed (typically with a mirror glaze — glaçage miroir — that creates a perfectly reflective surface), and served as a stunning, architecturally precise dessert. The standard structure: a thin sponge or biscuit base (joconde, dacquoise, or sablé breton), one or two mousse layers (light, creamy, set with gelatin), an insert (a contrasting element — fruit gelée, crémeux, crunchy praline, or ganache placed in the center of the mousse), and a glaze that seals and decorates the exterior. The technique demands precision: the mousse must be poured at exactly the right temperature (28-32°C — too warm and it melts the insert, too cool and it sets with air bubbles), the insert must be pre-frozen (so it stays distinct rather than mixing into the mousse), and the assembled entremets must be frozen solid before glazing (the mirror glaze, poured at 33-35°C, sets instantly on the frozen surface, creating the mirror effect). The mirror glaze itself is a technical marvel: white chocolate, gelatin, condensed milk, sugar syrup, and water, heated to 103°C, cooled to 33-35°C, colored with food-safe pigments, and poured over the frozen cake in one smooth motion. Key figures: the entremets as a modern form was pioneered by Gaston Lenôtre in the 1960s-70s and refined by his students (including Pierre Hermé and Christophe Felder). The competition standard (Coupe du Monde de la Pâtisserie, held biennially in Lyon) has driven the technique to extraordinary heights — competition entremets feature 5-7 distinct layers, each a different texture and flavor, assembled with sub-millimeter precision.