1. For Filling:.
2. Combine the cream cheese, sugar, flour and 2 egg whites in a bowl and set aside.
3. In a mixing bowl beat the pumpkin, applesauce, egg, and 2 egg whites and oil.
4. Combine the flour, sugar, baking soda, salt and pumpkin pie spice. Add to pumpkin mixture and stir in nuts.
5. Divide half the batter between two 8x4x2 loaf pans coated with non-stick cooking spray.
6. Spread each with filling then top with remaining batter.
7. Bake at 350°F for 40-45 minutes or until a toothpick inserted near center comes out clean.
8. Cool for 10 minutes before removing from pans to wire rack to cool completely.
9. Refrigerate leftovers.