Method

1. Preheat the oven to 160⁰C / 325⁰C / Gas Mark 3
2. Cream the butter and sugar, using an electric whisk
3. Add the beaten egg and beat until the mixture is light and fluffy
4. Add the flour, salt, baking soda and baking powder and mix well
5. Add the mashed bananas to the cake mixture
6. Grease a loaf tin and sprinkle a little four into the base, pour in the cake mixture
7. Bake in the oven for 60 to 70 minutes or until a skewer pierces the cake and comes out clean