1/2 cup granulated sugar 1/2 cup packed brown sugar 1/2 cup peanut butter 1/4 cup shortening 1/4 cup butter or margarine, softened 1 egg 1 1/4 cups all-purpose flour 3/4 teaspoon baking soda 1/2 teaspoon baking powder 1/4 teaspoon salt
Mix sugars, peanut butter, shortening, butter and egg in large bowl. Stir in remaining ingredients. Cover and refrigerate about 2 hours or until firm.
Heat oven to 375ºF.
Shape dough into 1 1/4-inch balls. Place about 3 inches apart on ungreased cookie sheet. Flatten in crisscross pattern with fork dipped into sugar.
Bake 9 to 10 minutes or until light golden brown. Cool 5 minutes; remove from cookie sheet. Cool on wire rack.