Pre heat oven to 350 degrees and coat and 88 baking dish with coconut oil or cooking spray.
In a large bowl, mix together the eggs, vanilla, coconut sugar, and apple sauce. Set aside.
In a medium bowl, mix together flour, cocoa powder, baking soda, and salt. Add the wet ingredients into the dry ingredients and stir until everything is just combined.
Gently fold the zucchini and 1/2 cup of the chocolate chips into the batter. Pour the batter into the baking pan and sprinkle the remaining chips over the top.
Pop in the oven and bake for about 30 minutes or until set through. Cool and enjoy.