01 -
Finely shred zucchini and tightly squeeze out excess moisture using a clean kitchen towel to prevent a soggy texture.
02 -
Whisk together flour, cocoa powder, baking soda, baking powder, salt, and cinnamon in a large bowl until uniform and free of lumps.
03 -
In a separate bowl, whisk vegetable oil with granulated and brown sugars until smooth. Add eggs one at a time, then stir in vanilla extract.
04 -
Gently fold shredded zucchini and sour cream into the wet mixture, taking care not to overmix to maintain tenderness.
05 -
Add the dry ingredient mixture to the wet and stir gently with a spatula until just combined, avoiding overmixing.
06 -
Reserve a small portion of chocolate chips for topping. Fold the remaining chips into the batter evenly.
07 -
Grease a 9x5-inch loaf pan and line with parchment paper for easy removal after baking.
08 -
Pour batter into pan, smooth top, sprinkle with reserved chocolate chips, then bake at 350°F (175°C) for 50-60 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.
09 -
Allow bread to cool in pan for 15-20 minutes, then lift out and cool completely on a wire rack before slicing to ensure optimal texture.