Light and Airy Classic French Chocolate Mousse

Prepare a bain-marie: Fill a small saucepan with about 2-3 cm of water and bring to a gentle simmer. Place a heatproof bowl over the saucepan, ensuring the bottom of the bowl does not touch the water. Add the finely chopped dark chocolate and cubed unsalted butter to the bowl. Stir occasionally until completely melted and smooth. Remove from heat and let cool slightly.

In a separate medium bowl, whisk the egg yolks with the granulated sugar and vanilla extract until the mixture is pale yellow and slightly thickened. This should take about 2-3 minutes.

Gradually pour the slightly cooled melted chocolate mixture into the egg yolk mixture, whisking continuously until well combined and smooth. Set aside.

In a large, clean bowl, using an electric mixer, beat the egg whites with a pinch of salt on medium-high speed until stiff, glossy peaks form. Be careful not to overbeat.

Gently fold one-third of the whipped egg whites into the chocolate mixture to lighten it. Use a spatula and a delicate, upward motion to incorporate. Do not deflate the whites.

Add the remaining whipped egg whites to the chocolate mixture and continue to fold gently until no streaks of white remain and the mousse is uniformly airy. Work quickly but carefully to maintain the volume.

Spoon or pipe the mousse into individual serving glasses or ramekins. Cover with plastic wrap and refrigerate for at least 4 hours, or preferably overnight, until thoroughly chilled and set.

Serve chilled, perhaps garnished with a dusting of cocoa powder or a few fresh raspberries. Enjoy, mes amis!