Arrange the ramekins in a deep dish baking pan and place aside.
Bring the milk and sugar to the boiling point then remove from heat and stir in the chocolate. Mix until melted and smooth then stir in the coffee and mix well.
Add the cream and give it a quick mix then stir in the egg yolks, salt and vanilla.
Pour the mixture into your prepared ramekins.
Pour hot water in the deep dish baking pan around the ramekins until it cover the ramekins 3/4.
Place in the preheated oven at 320F for 30 minutes or until the center looks slightly wobbly. Allow to cool in the hot water before serving.