You may have to make it yourself:
Green Tea Latte Recipe – One
1/4 to 1/2 teaspoon green tea powder (Matcha)
6 ounces warm milk
Honey or brown sugar to taste
Mix two ounces of warm milk with the green tea powder, mixing just enough to create a thick paste. Place the paste in the cup, adding the honey or brown sugar, along with remaining milk. Mix well and enjoy!
Green Tea Latte Recipe – Two
1/2 to 1 teaspoon green tea powder
2 ounces warm water
4 ounces warm milk
3 teaspoons sugar or honey
1/2 to 1 cup ice cubes
Mix the green tea powder with the 2 ounces of warm water, mixing well to dissolve. Transfer this mixture to a blender. Add remaining ingredients and blend until smooth.
Green Tea Latte Recipe – Three
3/4 to 1 teaspoon green tea powder
3 teaspoons sugar or honey
1/2 cup warm water
1/2 cup soy or regular 2% milk
1/2 to 1 cup ice
Place the green tea powder in a bowl. Add the warm water and sugar or honey. Blend well until the mixture is thoroughly dissolved. Transfer the green tea mixture into a serving glass and then add the ice cubes. To this, add the milk.
Green Tea Latte Recipe – Four
4 cups cold water
2 Chai tea bags
3 green tea bags
1 cup milk, chilled
4 tablespoons brown sugar or honey
Boil water and then add both Chai and green tea bags. Seep the tea for three to five minutes, removing the bags and discarding. In ad blender, blend the milk so it is frothy. Pour the tea into individual serving cups and then to each, add 1 tablespoon of the brown sugar of honey. To the tea mixture, add frothy milk. If you like, you can sprinkle a little green tea powder or cinnamon on top.