Peel and mash the bananas.
In a bowl, mix the mashed bananas, sugar, eggs, and melted butter.
Sift in the cake flour, baking powder, and salt, then mix until well combined.
Pour the batter into a loaf pan lined with parchment paper.
Bake in a preheated oven at 180°C for 40-45 minutes.
Let it cool on a wire rack.