Pre-heat to 350°, prep muffin tin with liners.

Whisk tog. in a large bowl, flour. sugar, baking powder, cinnamon, salt. Set aside.

In another bowl, combine bananas, butter, eggs, banana yogurt, vanilla.

Now add the wet ingredients to the dry. Mix tog. well.

Fill the liners to 3/4 full and sprinkle the tops with brown sugar.

Bake for 18-20 minutes. Do a toothpick test. Let cool.