preheat the oven to 350 degrees F and place cupcake liners into the cupcake tins. in a large bowl combine the flour, sugar, salt, and baking soda and whisk to combine. in another bowl, mix together the egg, oil, yogurt, bananas, milk and vanilla. add the wet into the dry and mix until everything is fully incorporated. using an cookie scoop, distribute the batter into the cupcake tins and bake for 14-16 minutes or until a toothpick comes out clean. let cool.