Preheat oven to 350 Degrees F. Line your pan(s) with parchment paper and set aside.
Mash the Bananas
Combine the first 6 ingredients into a bowl: bananas, oil, butter, eggs, milk, vanilla extract (stir), then add sugar and stir again until mixed.
Mix together the dry ingredients in a separate bowl: flour, baking soda, salt and cinnamon
Add your dry ingredients into your wet ingredients mixing with a spatula until combined
Pour your mixture into your lined baking pan(s)
Bake for 55-65min. (cool before slicing)