Preheat oven to 350 degrees. Cook pasta according to directions on the box.

Place zucchini, peeled carrots, garlic, onion in a food processor and pulse until finely chopped. In a large pot over medium heat, add oil. When oil is hot add meat; separate meat using a spoon. Allow meat to brown then add chopped vegetable mixture and cook for about 5 minutes. Add both jars of marinara sauce, basil, oregano, black pepper and nutmeg, then bring to a boil. Reduce the heat to low and allow to simmer for about 20 minutes or until the sauce has thickened.

Next spray a 13x9 casserole dish. Mix cooked pasta with the sauce and ¾ of mozzarella cheese and ½ of parmesan. Place pasta into prepared casserole dish then top with remaining cheeses. Cover with aluminum foil and bake for 30 minutes. Remove the foil and allow to cook for an additional 10 minutes until the cheese is slightly golden. Remove from oven and cool for 10 minutes before serving.