Combine oil, vanilla, date sugar and egg in small bowl. In another bowl, beat egg whites until soft peaks form. Set aside. In third bowl, sift together flour, carob powder, cinnamon, nutmeg, baking powder and baking soda. Preheat oven to 350 degrees. Fold dry ingredients into wet ingredients alternately with buttermilk. Fold in egg whites. Spoon into lightly oiled 8-inch square baking pan. Bake 25 to 30 minutes or until wood pick inserted in center comes out clean. Let cool on wire rack completely before slicing. Yield: 12 servings. By Mary Carroll