-
Preheat oven to 375°.
-
In a medium bowl, cream together the sugars and shortening using an electric mixer.
-
Mix on slow speed 30 seconds, then scrape down the bowl with a spatula.
-
Increase speed to medium and mix for 3 minutes.
-
Slowly add vanilla and beaten egg while mixing.
-
In a separate bowl, combine the flour, baking soda, baking powder and salt. Gradually add the flour mixture to the mixing bowl, mixing on slow speed until just blended. Do not overmix.
-
Scoop with an ice-cream scoop and roll in sugar.
-
Place directly on cookie sheet. Flatten slightly with palm of hand.
-
Bake at 375° for 9-10 minutes. Cookies are done when small cracks appear and are pale golden. Ideally, the edges do not brown.