01 - Preheat oven to 350°F. Grease a 9x5-inch loaf pan or line it with parchment paper.
02 - Whisk together flour, baking powder, baking soda, salt, cinnamon, and nutmeg in a medium bowl.
03 - In a large bowl, whisk eggs, vegetable oil, granulated sugar, brown sugar, and vanilla extract until smooth.
04 - Fold grated zucchini into the wet mixture until evenly incorporated.
05 - Add dry ingredients to the wet mixture and stir gently until just combined. Avoid overmixing.
06 - Fold semisweet chocolate chips evenly into the batter.
07 - Pour batter into prepared loaf pan and smooth the surface.
08 - Bake for 50 to 60 minutes, until a toothpick inserted in the center comes out clean or with a few moist crumbs, avoiding melted chocolate.
09 - Let bread cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.