Preheat oven to 425˚F.
Line a baking pan with parchment paper. Set aside.
Grate the zucchini using the large holes on a cheese grater.
Transfer grated zucchini to a kitchen towel; wrap the towel around the zucchini and wring out all the water. Squeeze out as much as possible.
In a large mixing bowl combine the zucchini, mozzarella cheese, parmesan cheese, egg, salt, garlic powder, and Italian seasoning. Mix and stir until completely combined.
Transfer mixture to previously prepared baking sheet and spread out the zucchini into about ½-inch thick layer.
Bake for 15 minutes.
Pull it out of the oven and top with shredded mozzarella.
Continue to bake for 5 more minutes, or until cheese is melted.
Remove from heat and let stand couple minutes.
Cut into “breadsticks”.
Serve with dipping sauce.