Parfait Glacé — Frozen Mousse

Parfait glacé is a still-frozen dessert that achieves a creamy, mousse-like texture without mechanical churning, relying instead on the aeration of a pâte à bombe base and the emulsifying properties of whipped cream. The pâte à bombe is prepared by whisking 6 egg yolks while streaming in sugar syrup cooked to 121°C (firm ball stage), then whipping until the mixture triples in volume, turns pale, and cools to room temperature. This cooked-yolk foam is the structural backbone—it traps air in stable cells that resist collapse during freezing. Separately, 500 ml heavy cream (35% fat minimum) is whipped to soft peaks. The flavouring element—whether fruit purée, praline paste, chocolate, or spirits—is folded into the cooled pâte à bombe first, followed by gentle incorporation of the whipped cream in two additions. The folding must preserve maximum volume; aggressive mixing deflates the mousse and yields a dense, icy product. The mixture is poured into moulds (traditionally dariole, bûche, or bombe moulds lined with plastic film for clean unmoulding) and frozen at -18°C for a minimum of 6 hours. Because no churning occurs, the high fat content and trapped air prevent large ice crystal formation—the dispersed fat globules physically interfere with crystal growth. The result is a texture that is soft and scoopable directly from the freezer, requiring no tempering. Alcohol-based parfaits (Grand Marnier, Chartreuse) exploit ethanol's freezing point depression to enhance softness, but total alcohol should not exceed 3-4% of the mix or the parfait will not set. For service, unmould, slice with a hot knife, and garnish immediately. Parfait glacé holds its form at room temperature for approximately 8-10 minutes before visible softening occurs.

• Italian semifreddo (whipped egg-cream frozen dessert, served semi-frozen, often with nut brittle)
• Japanese azuki parfait (layered frozen dessert with red bean, matcha cream, and mochi)
• American frozen soufflé (aerated egg-white-based frozen dessert risen above the ramekin rim)