01 -
Mix masa with water until smooth.
02 -
Warm up milk and cinnamon till it's almost bubbling.
03 -
Pour the masa mix through a strainer into the warm milk.
04 -
Keep whisking until the mixture thickens and starts bubbling.
05 -
Lower the heat. Toss in chocolate, vanilla, and sugar, stirring till melted.
06 -
If you want it extra silky, strain before pouring into cups.