1. In a medium bowl, cream together the shortening, sugar, eggs, and vanilla until smooth. Then stir in the sour cream. Sift together the flour, salt, baking powder, and baking soda; stir into the creamed mixture. Finally, stir in the pecans and raisins. Cover dough and refrigerate for 1/2 hour.
2. Preheat oven to 350 degrees F (175 degrees C). Grease cookie sheet.
3. Drop dough by teaspoonfuls onto a cookie sheet. Bake for 15 to 20 minutes. When cooled ice the cookies.