1 disk Mexican chocolate (about 3 ounces), chopped
Mini marshmallows, for garnish
In a medium saucepan, bring the milk to a simmer over medium heat. Reduce the heat to medium low and add the cinnamon sticks and Mexican chocolate. Simmer until fragrant and the chocolate is melted, about 5 minutes; remove the cinnamon sticks. Serve in mugs topped with mini marshmallows.