2Add ingredients — Add chicken thigh, 1 1/2 cups uncooked rice, diced onion, red bell pepper, cherry tomatoes, spinach, and minced garlic directly to the baking dish.
3Season mixture — Season with 2 tsp Italian seasoning, 1 1/2 tsp garlic powder, 1 tsp onion powder, 3/4 tsp smoked paprika, 3/4 tsp salt, 1/2 tsp black pepper, and red pepper flakes if using.
4Add broth — Pour in 3 cups chicken broth and stir everything together until evenly combined and the rice is submerged.
5Cover and bake — Cover the baking dish tightly with foil and bake at 400°F for 45 minutes.
6Add Parmesan — Remove the foil and add fresh parm and go back in the oven uncovered for another 15 mins at 400°.
7Finish parsley — Finish with the remaining fresh parsley. Serve hot and enjoy!