01 -
Cook the ziti in salted water until it is two minutes shy of al dente. Drain and rinse under cold water to stop the cooking. Set aside.
02 -
Heat olive oil in a large skillet over medium-high heat. Cook the sausage and onion, breaking the meat into crumbles, until no longer pink. Stir in the garlic and cook for 30 seconds. Add both jars of marinara sauce, salt, and pepper. Simmer gently for 10 minutes.
03 -
Beat the cream cheese in a large bowl until smooth. Blend in the eggs, then stir in the ricotta, sour cream, 1 1/2 cups of mozzarella, parmesan, salt, and pepper until fully combined.
04 -
Stir 1 cup of the meat sauce into the cheese mixture until smooth. Fold in the cooked pasta gently until every tube is evenly coated.
05 -
Transfer the pasta mixture to a greased 9x13 inch baking dish and spread it evenly. Pour the remaining meat sauce over the top and scatter the remaining 1 1/2 cups of mozzarella cheese.
06 -
Cover the dish with lightly greased foil. Bake at 375°F for 20 minutes. Remove the foil and bake for another 20 minutes, until the cheese is melted, bubbly, and golden brown.
07 -
Let the baked ziti rest for 10 minutes before serving. Top with chopped parsley or basil.