Pomegranate, Blueberry, Matcha Tea Slushy | An Antioxidant Punch .. How to = Briskly whisk the 2 tbs of Matcha powder into ½ cup of hot water. Add sweetener of choice and stir until completely incorporated. Set aside until cool. Puree the frozen blueberries, pomegranate juice, prepared Matcha tea and ice cubes in a high powered blender until smooth. Serve immediately. Enjoy!