Serves 2

100g milk or dark chocolate, chopped
100g white chocolate, chopped
120ml double cream
500ml milk

To serve:
Whipped cream (optional)
Marshmallows (optional) 

1. In a saucepan, stir together the milk or dark chocolate,  white chocolate, double cream and milk.
2. Cook over a medium-low heat, stirring occasionally, until the hot chocolate comes to a simmer, but don’t let it come to a boil.
3. Remove from the heat and serve immediately topped with whipped cream or marshmallows