01 -
Preheat the oven to 190°C and lightly grease a 23×33 cm baking dish.
02 -
In a large bowl, mix the cooked rigatoni with marinara sauce, sautéed spinach, garlic powder, dried oregano, salt, and freshly ground black pepper until well combined.
03 -
Spread half of the pasta mixture evenly into the prepared baking dish. Dot with half the ricotta and sprinkle with half the shredded mozzarella.
04 -
Top with the remaining pasta mixture. Spoon over the rest of the ricotta and scatter the remaining mozzarella on top.
05 -
Sprinkle the grated Parmesan evenly over the surface. Bake uncovered for 20–25 minutes until the cheese is golden and bubbling.
06 -
Allow the baked rigatoni to rest for 5 minutes before serving warm.