My Mom's Peanut Butter Cookies

1/2 cup light brown sugar
1/2 cup granulated sugar
1/2 cup creamy peanut butter
1/2 cup shortening

1/2 tsp. vanilla
1 egg
1 cup flour
1/2 tsp. salt
1/2 tsp. baking soda
1/2 tsp. baking powder
* Extra granulated sugar, optional

Preheat oven to 350.
Cream together sugars, vanilla, peanut butter, and shortening.
Beat in egg.
Sift together dry ingredients; add to creamed mixture and stir to combine.
Roll into balls, place on cookie sheet, and lightly press with fork tines.
Bake 10 - 12 minutes
* If desired, roll balls in extra sugar before placing on cookie sheet.