Pre-heat the oven to 170 degrees C.
Grease a standard cake tin.
Mash bananas in a bowl.
Add bananas and all other wet ingredients to a blender or mixing bowl. Blend/mix for 5 minutes.
In a large bowl add all dry ingredients. Then fold through the wet ingredients.
Pour mixture into the cake tin. Bake for 30-35 minutes or until golden brown.