Preheat the oven to 170°C and line a loaf tin with baking paper.
Roughly chop the pecans and set aside.
In a food processor, blend the bananas, eggs, sugar. Add a pinch of salt, stir in the milk and oil.
Add the flour, baking soda and baking powder to the batter and continue to mix until evenly combined.
Mix in the pecans and pour the batter into the tin.
Bake the cake in the oven for 70 minutes.