In a small bowl or cup, whisk together the matcha powder and water.
In a cup, add the boba pearls and ice.
Then pour in the milk and sweetener if using.
Then pour in the matcha. Taste and add more sweetener if you feel it needs it.
Notes
I use a frothing wand to mix the matcha powder in water for this, but a small whisk would work well too.You can use any kind of milk: dairy, soy, oat, etc.