Smash bananas and oil together
Keep aside
Beat butter and sugar together.
Drop in the eggs
Whisk together
Add in the mashed bananas, flour and baking powder.
Mix the milk and bicarb together and pour into the bowl
Mix well
Gently stir in the walnuts
Pour mixture into a grease loaf pan
Bake at 180 degree celcius for 35 minutes
Once cooked, leave to cool before slicing or topping with cream cheese frosting.