Preparation
1-Preheat your oven to 350°F and grease: Preheat your oven to 350°F and grease two 8×4-inch loaf pans.
2-In a medium bowl, whisk together the: In a medium bowl, whisk together the flour, sugar, baking powder, baking soda, cinnamon, and salt.
3-In a large bowl, mix the grated: In a large bowl, mix the grated zucchini, vegetable oil, eggs, and vanilla extract until well combined.
4-Fold the dry ingredients into the wet: Fold the dry ingredients into the wet mixture along with walnuts (or pecans) until just combined-do not overmix.
5-Divide the batter between the prepared loaf: Divide the batter between the prepared loaf pans and bake for 50-60 minutes or until a toothpick inserted in the center comes out clean. Optionally cover with aluminum foil after 30 minutes if tops brown too quickly.
6-Allow to cool in pans for about: Allow to cool in pans for about 15 minutes before transferring to a wire rack to cool completely.