Pre-heat the oven to 180C. Oil a donut pan.
Combine oil and sugar. Beat in the eggs, one at a time.
Beat in the milk.
Add in flour, baking powder and matcha powder. Do not over-mix
Pipe the batter into the prepared donut pan and bake for 15-20 minutes.
To make the glaze, combine the icing sugar, matcha powder and milk. If the glaze is too runny, add more sugar. If it is too tough, add more milk.