Preheat oven to 180ºC/350ºF.
Spray donut pan with non-stick spray.
Place the milk and tea bags in a saucepan over high heat and bring to a boil.
Lower heat and allow mixture to simmer for 10min.
Meanwhile, mix together all the dry ingredients.
Add all the remaining ingredients to the dry ingredients as mix well.
Remove the tea bags from the milk and set aside 2 tablespoon of the mixture.
Slowly add the chai milk to the other ingredients and mix until well incorporated.
Spoon batter into the donut pan and bake for 10-12min.
Remove from oven and allow to cool slightly.