1 cup vanilla soy milk
1 teaspoon green tea powder (matcha)
1 teaspoon granular sucralose sweetener (such as Splenda®), or to taste
Pour soy milk into a blender. Add matcha; blend until dissolved and the mixture is smooth, about 30 seconds. Add sucralose and blend until combined, about 10 seconds.
Fill a glass with ice and pour in green tea mixture.