Swap out your basic butternut squash soup for this fragrant version that includes sweet potato and a medley of spices like cinnamon, cumin, coriander and saffron. A drizzle of maple syrup and a few drops of orange water brighten the flavors, while a sprinkle of sumac adds a pop of color and a tangy edge. This healthy butternut squash soup would be a wonderful starter for your Thanksgiving meal.