Chocolate Espresso Cups

Directions

1. 1
   Heat the milk in a medium pot over high heat until hot, but not boiling.
2. 2
   Reduce the heat to very low and add the espresso, chocolate, sugar, and vanilla.
3. 3
   Using a whisk, stir the mixture until the chocolate has melted.
4. 4
   Continue to whisk the chocolate mixture until frothy every few minutes for about 8 minutes, until the chocolate has completely dissolved into the milk.
5. 5
   Pour into mugs and serve immediately.