In a large small bowl, combine the flour, sugar, baking soda cinnamon, salt, baking powder, nutmeg and cloves. In a small bowl, whisk the eggs, pumpkin, oil, and water. Stir into dry ingredients just until moistened. Fold in walnuts and raisins if desired.
Pour into a greased 9-in. x 5-in. loaf pan. Bake at 350° for 65-70 minutes or until a toothpick inserted in the center comes out clean. Cool in pan for 10 minutes before removing to a wire rack.Yield: 1 loaf (16 slices).