Bake cookies until control product (made with pastry fl our) is light brown. Remove all cookies from oven after same length of time, even though some will be paler in color or have not spread as much....

Bake cookies until control product (made with pastry fl our) is light brown. Remove all cookies from oven after same length of time, even though some will be paler in color or have not spread as much. If necessary, however, adjust bake times for oven variances.