Instructions

  1. Preheat oven to 375°F.
  2. Lightly coat 12 muffin cups with nonstick cooking spray.
  3. In a large bowl, sift and whisk together flour, sugar, baking powder, baking soda, salt, cinnamon, and ground ginger.
  4. In another bowl, stir together sweet potato or pumpkin, soy milk, egg whites, oil, and vanilla until blended.
  5. Make a well in center of dry ingredients; add milk mixture and stir just to combine.
  6. Stir in crystallized ginger.
  7. Spoon batter into prepared muffin cups.
  8. Bake for 15-20 minutes, or until a toothpick inserted in center of one muffin comes out clean.
  9. Remove muffin pan to wire rack.
  10. Cool for 5 minutes before removing muffins from cups; finish cooling on rack.
  11. Serve warm or cool completely and store in an airtight container at room temperature.