Ingredients

• ¼ cup cold butter, cut into small pieces

• ½ cup all-purpose flour

• ¼ cup packed brown sugar

• 1 teaspoon ground cinnamon

• ½ cup quick cooking oats

• 1 ¼ cups white sugar

• ½ cup butter, softened

• 2 eggs

• 3 ripe bananas, mashed

• ½ cup buttermilk

• 1 teaspoon vanilla extract

• 2 ½ cups all-purpose flour

• 2 teaspoons pumpkin pie spice

• 2 teaspoons baking powder

• ½ teaspoon ground cinnamon

• 1 cup chopped nuts (Optional)