1Mix sugars, peanut butter, shortening, butter and egg in large bowl. Stir in remaining ingredients. Cover and refrigerate about 2 hours or until firm.
2Heat oven to 375ºF.
3Shape 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.
4Bake 9 to 10 minutes or until light golden brown. Cool 5 minutes; remove from cookie sheet. Cool on wire rack.