Parisian Chocolate Mousse

Chop the sweet cooking chocolate into small, uniform pieces for even melting.

Combine the chopped chocolate with the strong coffee in a heat-safe bowl. Place the bowl over a pot of simmering water (double boiler setup), stirring occasionally until the chocolate is completely melted and smooth.

Remove the bowl from heat and let the chocolate mixture cool to room temperature, about 2-3 minutes. Stir in the vanilla.

Separate the eggs carefully, ensuring no yolk gets into the whites. Place the 5 egg yolks in a separate bowl and whisk until pale and slightly thickened, about 2 minutes. Gently fold the yolks into the cooled chocolate mixture.

In another clean, dry bowl, beat the 5 egg whites with an electric mixer until stiff peaks form, taking care not to overbeat.

Gently fold the beaten egg whites into the chocolate mixture in two additions, using a rubber spatula and folding from bottom to top to preserve the airiness. The texture should be light and fluffy.

Divide the mousse evenly among 4 serving glasses or bowls.

Refrigerate for at least 1 hour until chilled and set. Top each serving with a portion of whipped cream just before serving.