Preheat oven to 350°F (175°C). Line a 9×5 loaf pan with parchment or grease it well. If using parchment, leave an overhang for easy removal.
Finely shred zucchini and measure out 2 cups.
2 cups Finely Shredded Zucchini
In a large bowl, whisk the eggs. Add the oil, brown sugar, and vanilla. Stir until smooth. Fold the shredded zucchini into this wet mixture until evenly distributed.
2 large Eggs, 1 cup Avocado Oil or Canola Oil, 3/4 cup Brown Sugar, 1 tsp Vanilla Extract, 2 cups Finely Shredded Zucchini
Into a separate bowl, sift (or whisk vigorously) together: flour, cocoa powder, baking soda, baking powder, salt, espresso powder, cinnamon.
1&1/2 cup Flour, 1/2 cup Cocoa Powder, 1 tsp Baking Soda, 1/2 tsp Baking Powder, 1/2 tsp Salt, 1/2 tsp Instant Espresso Powder, 1 tsp Cinnamon
Pour the wet zucchini mixture into the dry ingredients. Gently fold together with a spatula until just combined — don’t overmix. The batter should be thick but scoopable.
Fold in 1/2 cup mini chocolate chips.
3/4 cup Mini Semi-Sweet Chocolate Chips
Scrape the batter into the prepared loaf pan and smooth the top. Sprinkle the 1/4 cup chocolate chips evenly over the top.
3/4 cup Mini Semi-Sweet Chocolate Chips
Bake at 350°F for about 55–65 minutes. Start checking at 50 minutes — a toothpick or knife inserted into the center should come out with a few moist crumbs (not raw batter).
Let the loaf cool in the pan on a wire rack for 10–15 minutes, then use the parchment overhang to lift it out and cool completely before slicing (cooling finishes the crumb).