Pre-heat the oven to 350 degree F
Whisk together flour, baking soda, and salt in a bowl
Add sugar to the flour mixture and whisk
Add eggs, vanilla extract, and milk into the flour and sugar mix. Mix it well
Add melted butter to the mixture, and mix it
Puree bananas in food processor, and add them to the mixture
Spray the muffin pans or loaf pans with cooking spray. Fill the pan halfway with the batter
Bake for 10 minutes, rotate, and bake for another 15 minutes or until cake tester inserted in the midlle comes out clean.