Chocolate Mousse with butter

300 g dark chocolate , 60% cocoa fat 150 unsalted butter 6 eggs , separated 50 g sugar 100 g raspberries 2 tablespoons powdered sugar 50 ml water 1 bunch[...]

4 large eggs 200 g caster sugar 75 ml water 200 g unsalted butter 300 g milk chocolate, roughly chopped Dutch-processed cocoa powder, for dusting 1 Whisk eggs[...]