In a saucepan over medium heat, pour in the whole milk and heavy cream. Add the white sugar, dark brown sugar, cocoa powder and vanilla extract.
Whisk the mixture until the cocoa powder smooths out.
Heat the mixture until it warms to serving temperature, whisking frequently. The ideal serving temperature for warm drinks is 160-185 degrees. The mixture will hit this temperature range before simmering.
If desired, rim the glasses with chocolate fudge, chopped pecans and cacao nibs and top with whipped cream or marshmallows. Pour into mugs and serve. Enjoy!
Notes
Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.