Preheat the oven to 170°C (340°F).
Add eggs and sugar into a bowl and mix well.
Add milk and melted butter, then combine.
Add sifted cake flour, almond flour, baking powder, and green tea powder, and mix evenly.
Pour the batter into a kugelhopf mold.
Bake at 170°C (340°F) for 25–30 minutes.
Cool on a wire rack, then remove from the mold.