Preheat your oven to 375°F (190°C) to prepare for baking.
If using fresh broccoli, steam the florets for about 3-4 minutes until tender. For frozen broccoli, microwave according to package instructions until heated through, then drain.
In a large mixing bowl, combine the cooked pasta, shredded rotisserie chicken, steamed broccoli, and halved cherry tomatoes. Add the garlic powder, dried oregano, and pasta sauce. Stir gently until well coated.
Fold in the ricotta cheese and half of the shredded mozzarella. Mix gently and season with salt and pepper to taste.
Pour the pasta mixture into a greased 9x13 inch baking dish, spreading it out evenly.
Sprinkle the remaining shredded mozzarella and grated Parmesan cheese on top.
Bake for 25-30 minutes until the cheese is melted and golden brown.
Allow to cool for a few minutes and garnish with fresh basil leaves before serving.
Notes
Feel free to customize with your favorite vegetables.