1: Heat the milk in a saucepan until it’s just about to simmer. Remove from heat.
2: Add the chocolate, stirring until completely melted and smooth.
3: Return to medium heat and let it simmer for 3–4 minutes, stirring occasionally, until it reaches your desired thickness.
4: Turn off the heat and whisk in brown sugar, starting with 1 tbsp, tasting, and adjusting for sweetness.
5: Pour into cups and enjoy!