Ingredients
- 1 ½ cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ¼ teaspoon salt
- ½ cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 2 ripe bananas, mashed
- ½ cup buttermilk
- ½ cup semi-sweet chocolate chips
- 1 tablespoon vegetable oil
- 1 ripe banana, thinly sliced
