01 -
Preheat oven to 190°C and grease a 23×33 cm baking dish.
02 -
In a large bowl, mix cooked rigatoni, marinara sauce, sautéed spinach, garlic powder, dried oregano, salt, and pepper until evenly coated.
03 -
Spread half the pasta mixture evenly in the prepared baking dish. Top with spoonfuls of ricotta and half the shredded mozzarella.
04 -
Add the remaining pasta mixture as a second layer. Top with the rest of the ricotta and mozzarella.
05 -
Sprinkle grated Parmesan over the top. Bake uncovered for 20–25 minutes until the cheese is golden and bubbling.
06 -
Allow the dish to rest for 5 minutes before serving warm.