Yield: serves 1, multiply as needed
Add mixing ball to bar shaker. Add matcha, water, soy milk, and honey syrup. Cover shaker and shake for 10-15 seconds. Add a handful of ice. Continue to shake until the outside of the cocktail shaker is cold to the touch and the latte is foamy. Strain into a serving glass and add additional ice. Adjust sweetness according to preference.
Honey Syrup: Mix together 2 parts honey and 1 part water. Set over medium heat and stir until honey has dissolved. Remove from heat and transfer to an airtight container. Keep at room temperature.