Yu) Jin-Young Recipe
Preheat the oven to 170°C (338°F).
Cream the room-temperature butter and sugar together.
Add the eggs one at a time, mixing well after each addition.
Sift together cake flour, green tea powder, and baking powder, then add to the mixture and combine.
Add the milk to finish the batter.
Pour the batter into the mold.
Bake in the oven at 170°C (338°F) for 35 minutes.
Let cool on a wire rack.