Spray a 9 x 2.5 loaf tin with cooking spray, and line with parchment, set aside.
Pour the wet ingredients into the dry ingredients and stir until combined.
Fold in the zucchini and ½ cup of the chocolate chips, and reserve the rest for the topping.
Pour the batter into your prepared loaf tin
Bake for 50-60 minutes, or until a toothpick inserted into the center of the loaf comes out clean.
Serving Size slice
Servings 8
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.