Ingredients
Instructions
- Preheat oven to 350 and coat an 8-inch square pan with nonstick spray.
- Beat the peanut butter and brown sugar with an electric mixer until smooth.
- Add the egg whites and vanilla and beat again.
- Add the flour and baking powder and beat until well mixed.
- Stir the chocolate chips into the batter.
- Spread the batter in the pan.
- Bake for about 25 minutes or until a toothpick inserted in the center of the pan comes out clean.
- Cool in the pan and then cut into 16 squares.
- Store in the refrigerator.