Spanish Hot Chocolate

SPANISH HOT CHOCOLATE

2 CUPS WHOLE MILK
3 OUNCES BAKING CHOCOLATE
1/2 CUP SUGAR
1/2 TEASPOON CORNSTARCH

Pour milk into medium saucepan and add cornstarch, use whisk to mix until cornstarch is completely dissolved.
Heat milk on medium heat, until just boiling. Immediately remove from heat.
Stir in chocolate until completely incorporated.
Pour sugar into chocolate milk mixture, and stir until dissolved.
Place pan back on stove on medium low heat, stirring constantly and slowly.
As soon as mixture thickens, remove pan from heat. Serve immediately.
Serve with a cinnamon stick or marshmallows.