20min · 6 servings Ingredients • 1 ¼ cup all purpose flour • 1 ½ teaspoon baking powder • ½ teaspoon cinnamon • ½ teaspoon salt • 2 tablespoon butter • 2 tablespoon oil • ½ cup sugar • 2 tablespoon brown sugar • 1 egg • ½ teaspoon vanilla extract • 1 mashed banana • ¼ cup buttermilk