Melt the chocolate and 2 tablespoons cream over a low heat.
Once melted, remove from the heat and pour into a bowl.
Whisk the mascarpone into the chocolate mixture, until smooth.
In a separate bowl, which the cream until thickened peaks are formed.
Once the cream is whipped, fold it gently through the chocolate mixture until smooth.
Place the mousse into a presentation bowl or divide out into portions and place into the fridge for a few hours to set.