In a medium saucepan, heat the milk over medium heat.
Whisk in the cocoa powder and sugar until fully dissolved.
Add a pinch of salt to enhance the flavor.
Continue heating until the mixture is hot but not boiling.
Stir in the vanilla extract.
Remove from heat and taste, adjusting sweetness if necessary.
Pour the hot chocolate into mugs.
Top with whipped cream or marshmallows if desired.
Drizzle with chocolate syrup for added indulgence.
Serve immediately and enjoy the warmth!