01 - In a small saucepan over medium heat, whisk together milk, cocoa powder, and sugar until steaming and well combined without boiling.
02 - Remove saucepan from heat and stir in the peppermint extract.
03 - Brew espresso or strong coffee and evenly distribute into two mugs.
04 - Pour the warm chocolate-milk blend over coffee in each mug, stirring gently to incorporate.
05 - Optionally top with whipped cream, chocolate shavings, and crushed peppermint candies. Serve immediately.