Brew a strong cup of coffee or make 2 shots of espresso using your preferred method.
Warm 1 cup of milk in a saucepan or microwave until it's heated but not boiling.
Combine 2 tablespoons of cocoa powder with 2 tablespoons of sugar in a small bowl.
Stir the cocoa-sugar mix into the brewed coffee or espresso.
Mix in 1/4 teaspoon of peppermint extract, adjusting to taste.
Froth the warm milk until creamy using a frother or whisk.
Pour the frothed milk into the coffee-cocoa mix, stir gently, and optionally top with whipped cream and crushed peppermint candies.