Preparation
1. Preheat oven to 375 degress F
2. Bring large pot of water to boil. Add ziti, cook til al dente, drain and rinse.
3. In medium bowl mix ziti, ricotta, mozzarella, egg and 1 1/2 cups pasta sauce.
4. Lightly grease 9 x 12 baking dish and spoon in mixture. Top with remaining sauce and parmesan cheese.
5. Bake for 30 minutes.