In a small bowl, mash the bananas until they are nice and lumpy, set aside.
In a medium bowl, Whisk flour, baking powder and salt. In a small bowl, whisk the milk, egg and vanilla extract. Add milk mixture to dry ingredients and stir well. Fold in bananas.
Scoop ¼ cup of batter per pancake on to a heated griddle coated with cooking spray, or oil. Allow the pancakes to cook for 2-3 minutes on each side, flipping only once. Turn pancakes when bubbles appear and the edges are golden.