Chocolate Mousse with Sprinkles

'Beat the egg yolks until they are thick and pale yellow in color.'

'Add 2 tablespoons of unsalted butter, softened, and continue beating until they are light and fluffy.'

'Add the vanilla extract and mix well.'

'While continuously whisking, add the heavy cream.'

'Beat the egg whites until they are soft and fluffy.'

'Add 1 tablespoon of unsalted butter, softened, and beat until stiff peaks form.'

'Fold in the chocolate and continue mixing.'

'Pour into a chilled bowl and refrigerate until firm.'

'Serves 6 portions.'