Brew a cup of strong coffee or espresso, filling your mug with its rich aroma.
Place the dark chocolate and milk into a small saucepan over low heat.
Gently whisk the mixture as it warms, until the chocolate is completely melted and the mixture is smooth and glossy.
Add the peppermint extract to the warm chocolate-milk mixture, stirring briefly to evenly distribute the refreshing flavor.
Pour the hot coffee into the mug, then slowly add the peppermint-chocolate milk, stirring gently to blend all the flavors together.
Top the drink with a generous swirl of whipped cream and sprinkle with crushed peppermint candies or chocolate shavings for a crunchy finish.