Preheat the oven to 170°C (338°F).
In a bowl, beat the eggs and add the sugar, mixing well.
Add the cooking oil and milk, and mix until combined.
Sift in the cake flour, baking powder, matcha powder, and protein powder, then gently fold to combine.
Evenly pour the batter into muffin molds.
Bake in the oven at 170°C (338°F) for 20 minutes.
Let cool before serving.