Pot d’cream au chocolat

4 oz sweet chocolate
2 tbs sugar
½ cup heavy cream
¼ cup milk
2 yolks, slightly beaten
½ tsp vanilla

Heat chocolate, sugar, milk, and cream over medium heat, stirring constantly, until choc is melted and mixture is smooth. 
Gradually beat into egg yolks. Return to a low flame and heat while stirring constantly until thickened (about 2 minutes)
Stir in vanilla. 
Pour into cups, chill for service. 
Finish with whipped cream.