Using a cheese grater, grate the zucchini.
Preheat oven to 350° F.
In a large bowl, mix together the eggs, oil, granulated sugar, light brown sugar, and vanilla extract.
Add the grated fresh zucchini and give it a little mix. Next add in walnuts & chocolate chips, saving some for the top of the bread before baking, and give it a good mix.
Bake for 50-55 minutes or until the toothpick comes out clean. let the entire loaf cool in the pan for 3-5 minutes, then transfer to a wire rack for an additional 10-15 minutes.