Pre-heat the oven to 350.
In a large mixing bowl or stand mixer, beat the butter and sugar for about 2 minutes. The mixture should look light and fluffy.
Add in the egg & mix for another minute.
In a separate bowl, mash the bananas with a fork (or to save time and energy I mash my bananas with my mixer).
Add in the mashed bananas & vanilla then mix until fully incorporated.
In a separate bowl, whisk together all of the dry ingredients.
Add all of the dry ingredients and gently mix.
Fold in chocolate chips
Pour into a parchment lined bread dish. 10. Bake at 350 for 55-65 minutes. Just watch carefully after 55 minutes.