Preheat oven to 350F
Prepare a 9x5 loaf pan with non stick spray.
In a small bowl, whisk together the one cup flour, baking soda and
salt. Set aside.
In a large bowl, mix together the 3/4 cup sugar, butter, milk, vanilla, egg + egg yolk,
until well combined.
In a small bowl, mash up the bananas and then fold them into the wet mixture.
Pour the dry mixture into the large bowl and mix everything until combined.