01 -
Line your pan with parchment paper and heat the oven to 175°C.
02 -
Combine melted butter and dark chocolate until smooth. Then add sugar and beat in eggs one at a time. Slowly mix in flour, cacao powder, and salt until just mixed.
03 -
Put the batter in the pan and bake for around 25 to 28 minutes. Check with a toothpick; it should have moist crumbs. Let it cool fully before next step.
04 -
Using a double boiler, melt the dark chocolate. Stir in egg yolks, powdered sugar, and vanilla until shiny and smooth.
05 -
Whip the cream until soft peaks form. Whisk egg whites separately with a pinch of salt until they're stiff.
06 -
Gently fold the cream into the chocolate mix, then carefully fold in the whipped egg whites to keep it light.
07 -
Spread the mousse evenly over the cooled brownie. Use an offset spatula for a smooth top. Chill in the fridge at least 3 hours or overnight for best results.
08 -
Cut into 12 pieces and serve cold.