Ingredients
Instructions
- Preheat oven to 350F; spray a 13x9 pan with cooking spray.
- Combine the flour, oats, baking powder and salt in a medium bowl; set aside.
- Beat the butter and sugars in a large bowl with an electric mixer at high speed until fluffy.
- Add eggs 1 at a time, beating well after each addition.
- Beat in the bananas and vanilla.
- Gradually add the flour mixture, beating a low speed just until combined.
- Stir in the chocolate chunks and walnuts by hand; spread evenly in the prepared pan.
- Bake for 45 minutes or until a wooden pick inserted into the center comes out clean.
- Cool completely in the pan on a wire rack.
- Cut into 24 bars.