Sift cake flour, cocoa powder, and baking powder together.
Mix eggs, sugar, milk, and melted butter.
Combine the dry and wet ingredients to make a batter.
Add mint chocolate chips to the batter and mix well.
Pour the batter into a bread pan.
Bake in a preheated oven at 180°C (356°F) for 25 minutes.
Let it cool before serving.