1 1/2 cups milk
3 packets granular no-calorie sucralose sweetener (such as Splenda®)
1 tablespoon cocoa powder
4 shots fresh brewed espresso
Pour milk into a large microwave-safe container; heat in microwave until warmed, 1 to 2 minutes.
Stir sweetener and cocoa powder into the warmed milk to dissolve completely.
Froth the milk according to your espresso machine's directions.
Stir espresso into the frothed milk mixture.