Mix stevia with blueberry and lemon juice until becomes purée consistency (used around 20 pieces of blueberries.
Pour the blueberry purée at the bottom of the glass, and add ice.
Pour milk of choice in the glass.
Pour your prepared matcha on top of the milk (How to prepare matcha : mix the amount desired of matcha powder with a ratio of 1:1 with water)
(Optional) garnish with a slice of lemon, rosemary (mint leafs also works), fresh blueberries.