Sift together flour, baking powder, soda, salt, and spices; set aside.In a large bowl, combine the eggs, milk, SUCANAT, pumpkin, and butter.Add the dry ingredients; mix lightly.Fold in the chopped walnuts.Pour into a well-greased 9 x 5-inch loaf pan.Bake for 55-60 minutes at 350°F or until done in the center.