Prepare the Egg Whites: Begin by beating the egg whites in a mixing bowl with a pinch of salt. Beat until the mixture forms stiff peaks.
Melt the Chocolate: In another bowl, combine the chopped milk chocolate and semi-sweet chocolate. Microwave in short bursts, stirring every 30 seconds until completely melted.
Combine the Mixtures: Allow the melted chocolate to cool slightly before gently folding in the whipped egg whites. Be careful not to deflate the mixture—this is what gives your mousse its lightness!
Add the Cream: Fold in the whey-free cream until fully combined, ensuring your mousse stays fluffy and delicious.
Chill and Serve: Spoon the mousse into individual serving dishes and refrigerate for at least an hour. Serve chilled with your favorite toppings!