01 -
Preheat oven to 175°C. Lightly grease a high-sided 23 x 33 cm baking dish with cooking spray.
02 -
Cook the ziti pasta according to package directions in salted boiling water until al dente. Drain and set aside.
03 -
Heat olive oil in a large deep skillet or soup pot over medium-high heat. Add chopped onion and sauté for 5 minutes, stirring occasionally.
04 -
Add Italian sausage to the skillet. Break apart with a wooden spoon and cook for 10–11 minutes, until browned throughout. Drain excess fat if needed.
05 -
Stir in ricotta cheese, Italian seasoning, salt, and ground black pepper, mixing until ricotta is fully incorporated and smooth.
06 -
Pour in the pasta sauce and mix until evenly combined. Bring mixture to a simmer, then remove from heat.
07 -
Return cooked, drained pasta to its large pot. Add the meat sauce mixture and toss until the pasta is evenly coated.
08 -
Transfer mixture to the prepared baking dish, spreading evenly. Sprinkle mozzarella and then parmesan evenly over the top.
09 -
Bake for 30 minutes, or until the cheese is melted and bubbling. Let rest briefly before serving.