Preheat the oven to 180ºC and grease a bread tin.
Combine flour, baking powder, bicarbonate of soda, cinnamon and ginger.
In a separate bowl, Whisk or use a hand mixer to beat butter and sugar together until creamy, add the eggs, vanilla essence and mashed banana and continue to beat slowly until combined.
Slowly add dry ingredients mixture to the wet mixture while beating slowly until mixture is properly combined.
Pour into baking tin and place banana halves on top.
Place in the oven and bake for 45-50min or until a fork inserted comes out clean.