Brew your favorite coffee and let it cool to room temperature.
In a blender, add the cooled coffee, milk, and sugar.
Add the ice to the blender.
Blend on high until smooth and frothy.
Taste the mixture and adjust sweetness if necessary.
Drizzle chocolate syrup inside the serving glasses for presentation.
Pour the frappuccino mixture into the prepared glasses.
Top generously with whipped cream.
Drizzle more chocolate syrup over the whipped cream if desired.
Garnish with a mint leaf and serve immediately.