Whisk together first 5 ingredients. In another bowl, whisk together eggs, milk, mashed banana, oil, 1 tablespoon syrup and vanilla. Add to flour mixture; stir just until moistened., Preheat a griddle coated with cooking spray over medium heat. Pour batter by 1/4 cupfuls onto griddle; cook until bubbles on top begin to pop and bottoms are golden brown. Turn; cook until second side is golden brown. If desired, serve with sliced bananas and additional syrup.