Preheat oven to 425 degrees. Grease a 12 cup muffin tin with cooking spray, set aside.In a large bowl mix together the flour, baking soda, baking powder, salt, cinnamon and nutmeg.
In a separate bowl, whisk together the egg, oil, both sugars, greek yogurt and vanilla extract until combined.Add the wet ingredients to the dry ingredients and fold gently. Do not over mix.
Fold in the zucchini and chocolate chips.
Pour the batter into the prepared pan and bake for 5 minutes. Reduce the oven temperature to 350 degrees leaving the muffins in the oven. Continue cooking for an additional 13-15 minutes or until a toothpick comes out mostly clean.
Allow the muffins to cool for 5 minutes in the pan then transfer to a cooling rack to cool completely.