Preheat oven to 350 degrees and spray 2 9x5 inch loaf pans with non-stick spray.
Add the sugar, oil, eggs, and vanilla to a large mixing bowl and beat until well combined.
Stir together the flour, cocoa powder, salt, baking soda, cinnamon and baking powder. Gradually beat into the sugar mixture until just combined. Batter will be very thick.
Add the zucchini to the batter and stir to combine.
Spoon the batter evenly between the two prepared baking loaves and sprinkle with chocolate chips.
Bake for 50-60 minutes or until a tester comes out with just a few moist crumbs.
Cool for 10 minutes before removing bread from the pan. Cool completely before cutting and serving.
Video
Notes
Store, tightly wrapped, on the counter for 1-2 days. To freeze, portion into individual slices, wrap each slice tightly, and freeze for up to 6 months. To serve, remove from freezer and let bread come to room temperature.Recipe lightly adapted from Taste of Home