Peel the bananas.
Cut the butter into cubes and leave at room temperature to soften.
Fit the K beater to the machine.
Pre heat the oven to 180ºC.
Line the loaf tin with parchment paper.
Add Ingredients 1 (bananas) into the Mixer bowl.
Attach the Mixer bowl to the machine and fit the splash guard.
Mix on speed 3 for 1 minute.
Add Ingredients 2 (butter, sugar) into the Mixer bowl.
Mix on speed 3 for 2 minutes.
Add Ingredients 3 (eggs) into the Mixer bowl.
Add Ingredients 4 (flour, baking powder) into the Mixer bowl.
Mix on speed 1 for 2 minutes
Transfer the contents of the Mixer bowl to the loaf tin.
Bake for 30 minutes at 180ºC or until a skewer tests clean.
Leave to cool for about 10 minutes.
Turn out onto a wire rack.