In a small saucepan, add the heavy whipping cream and heat gently over medium-low heat. Add in the white chocolate and stir until the chocolate is melted.
Remove from heat and stir in the peppermint extract.
Pour the white chocolate peppermint syrup into a large serving mug.
Next, pour in the espresso or strong brewed coffee, and then top with steamed milk.
Garnish with whipped cream and crushed candy cane if you desire.