3. Sift together flour, baking powder, baking soda, salt, cinnamon, and nutmeg. In a large mixing bowl, cream shortening and sugar; add eggs one at a time, beating well. Add rum flavor, grapefruit zest, pecans, and cooled grapefruit and raisins mixture. Add the sifted dry ingredients in two additions. Form tablespoons of dough into balls and press into cookie sheets or drop tablespoons of dough onto cookie sheets. Bake at 375 degrees for 10 to 12 minutes.