Maybe it's our lifelong familiarity with one of the holidays' cliché staples — pumpkin pie — but we can hardly imagine baking anything with pumpkin and not including ginger as one of the spices. Ginger and pumpkin are two flavors that just seem to go together, like apples and cinnamon. And they team beautifully in this bright-gold, moist, dense holiday bread. Serve it as the centerpiece of a bread basket at dinner, or with a creamy lunchtime soup.