Preheat oven to 350°F (175°C). Grease a 9x5 inch loaf pan
In a large bowl, mash the ripe bananas with a fork.
Stir in the melted butter, sugar, egg, and vanilla extract
Sprinkle the baking soda and salt over the mixture and mix in
Add the flour and mix until just combined. Do not overmix
Fold in optional add-ins if using
Pour batter into prepared loaf pan and bake for 50-60 minutes or until a toothpick inserted in the center comes out clean.
Let cool in the pan for 10 minutes, then remove to a wire rack to cool completely before slicing.
