1Move oven rack to low position so that tops of pans will be in center of oven. Heat oven to 350ºF. Grease bottoms only of 2 loaf pans, 8 1/2x4 1/2x2 1/2 inches, or 1 loaf pan 9x5x3 inches, with shortening.
2Stir together pumpkin, sugar, oil, vanilla and eggs in large bowl. Stir in remaining ingredients. Pour into pans.
3Bake 8-inch loaves 50 to 60 minutes, 9-inch loaf 1 hour 10 minutes to 1 hour 20 minutes or until toothpick inserted in center comes out clean. Cool 10 minutes. Loosen sides of loaves from pans; remove from pans and place top side up on wire rack. Cool completely, about 2 hours, before slicing. Wrap tightly and store at room temperature up to 4 days, or refrigerate up to 10 days.