Whip the coffee base

• Combine the hot espresso and brown sugar in a bowl.
• Whisk until the sugar dissolves and the mixture turns thick and glossy.

Whip in the cream

• Pour in the cold heavy cream.
• Whisk until the mixture is light, fluffy and holds soft peaks.

Assemble the drink

• Fill a glass with ice cubes.
• Pour in the cold milk.
• Spoon the whipped coffee cream over the top and stir before drinking.