Banana Bread for One

Bahan-bahan (2 porsi)

• ½ cup all purpose flour
• ¼ cup packed dark brown sugar
• ¼ teaspoon baking powder
• ¼ teaspoon pumpkin pie spice
• ⅛ teaspoon baking soda
• ⅛ teaspoon salt
• ¼ cup mashed very ripe banana
• 2 tablespoons buttermilk
• 1 large egg, (at room temperature)
• 1 tablespoon unsalted butter, (melted and cooled)
• ¼ teaspoon vanilla extract