Cream the butter, peanut butter and sugars until creamy and well mixed, approximately 5 minutes

Add the eggs and blend till combined.

Add the baking powder, salt and flour and mix till just combined.

Stir in the bag of peanut butter filled chocolate chips.

Line your 9 x 13 baker with foil and spray with nonstick cooking spray.

Pour the batter in next and bake on 350 degrees for 45-50 minutes.

When done, let cool in pan for 10 minutes. Then using the foil, remove the cookie bars from the pan to place on rack to cool completely.

Cut into bars and enjoy!