1 c. milk
1 Tbsp. piloncillo, grated
1/2 disc Mexican chocolate, chopped
1/4 tsp. ground cinnamon
1/2 c. warm water
2 Tbsp. masa harina
1/2 tsp. vanilla extract
1 pinch salt

In a small saucepan over medium-low heat, combine the milk, piloncillo, Mexican chocolate, and cinnamon. in a small saucepan over low-medium heat. Stir frequently until the piloncillo and chocolate have completely dissolved.

Meanwhile, in a small bowl, combine the warm water, masa harina, vanilla extract and salt. Whisk until the mixture is smooth, then add to the chocolate mixture in the saucepan. Whisk to combine.
Bring to a simmer, the reduce heat to low. Cook, whisking frequently thick enough to coat the back of a spoon, approximately 20-25 minutes. Serve hot.