01 - Preheat the oven to 375°F. Lightly grease a 9x13-inch baking dish.
02 - Boil salted water and cook ziti until just al dente, approximately 8 minutes. Drain and set aside.
03 - In a large bowl, blend ricotta, 1 cup mozzarella, 1/2 cup Parmesan, egg, basil, oregano, salt, and pepper until smooth.
04 - Add cooked pasta to the cheese mixture and toss gently to coat evenly.
05 - Spread 1 cup marinara sauce evenly on the bottom of the baking dish.
06 - Place half of the pasta mixture over the sauce layer, then top with 1 1/2 cups marinara sauce and sprinkle 1/2 cup mozzarella on top.
07 - Add the remaining pasta mixture, cover with remaining marinara sauce, and sprinkle with the remaining mozzarella and Parmesan cheeses.
08 - Cover the dish with foil and bake for 25 minutes.
09 - Remove the foil and bake uncovered for an additional 15 minutes or until the cheese turns golden and bubbly.
10 - Allow to stand for 10 minutes before serving. Optionally garnish with additional fresh basil.