01 -
In a small saucepan, whisk together unsweetened cocoa powder, granulated sugar, ground cinnamon, and water. Bring to a gentle boil over medium heat, stirring constantly until the sugar is dissolved and mixture is smooth.
02 -
Gradually pour in the whole milk while whisking. Heat mixture over medium-low heat until hot but not boiling, ensuring it is fully warmed through.
03 -
Remove saucepan from the heat. Stir in the vanilla extract to infuse flavor.
04 -
Pour the hot chocolate evenly into mugs. Top each serving with whipped cream and decorate with Christmas sprinkles.
05 -
Serve immediately while hot.