Preheat oven to 350º and spray two loaf pans with nonstick cooking spray.
In a mixing bowl, combine the flour, baking soda, and salt.
Add eggs one at a time, mixing after each addition.
Then, add the oil, butter, sugars, and vanilla extract.
Fold in the chocolate morsels and walnuts. Then, divide the mixture between each loaf pan.
Bake for 60 minutes or until a wooden pick inserted into the center comes out clean.
Cool for 10 minutes and then slice!