Preheat the oven to 350°F (175°C) and grease a 9x5 inch loaf pan or line it with parchment paper for easy removal.
Prepare the zucchini: Grate the zucchinis using a box grater. For best results, place the grated zucchini in a clean dish towel or paper towel and squeeze out the excess moisture.
Mix the dry ingredients: In a large mixing bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and nutmeg until evenly combined.
Combine sugars and oil: In another bowl, beat together the granulated sugar, brown sugar, and vegetable oil until smooth and well blended.
Add eggs and vanilla: Stir in the eggs one at a time, followed by the vanilla extract, mixing well after each addition.
Combine wet and dry mixtures: Gradually fold the dry ingredients into the wet mixture until just combined.
Incorporate zucchini and chocolate chips: Gently fold in the grated zucchini, chocolate chips, and nuts (if using).
Pour into the prepared pan: Transfer the batter to the prepared loaf pan and smooth out the top with a spatula.
Bake: Place the loaf in the preheated oven and bake for approximately 50 to 60 minutes, or until a toothpick inserted into the center comes out clean.
Cool: Once baked, remove the zucchini bread from the oven and let it cool in the pan for about 10 minutes before transferring it to a wire rack to cool completely.
Notes
Slice the zucchini bread and serve it warm or at room temperature. A light dusting of powdered sugar on top can elevate its presentation, or consider serving it with a dollop of cream cheese spread on the side for added flavor. Enjoy!