Heat milk in a saucepan over medium heat until steaming. Remove from heat and add the finely chopped chocolate.

Whisk until melted and smooth. Return to low heat briefly to fully dissolve and warm through without boiling

Sweeten to taste with 1 to 2 tsp sugar or a sachet of sucre vanillé. Add a pinch of salt to balance

For extra velvety texture, blend briefly with an immersion blender. Serve immediately.