Creating Dump-and-Bake Chicken Tzatziki Rice is a simple process. Follow these easy steps:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare the Dish: In a large baking dish, drizzle olive oil to coat the bottom.
3. Layer the Ingredients: Place the uncooked rice evenly at the bottom of the dish.
4. Add Chicken: Season the chicken breasts with garlic powder, onion powder, oregano, paprika, salt, and pepper. Lay the seasoned chicken on top of the rice.
5. Pour in Broth: Carefully pour the chicken broth over the chicken and rice, ensuring the rice is submerged.
6. Add Tomatoes: Scatter the diced tomatoes over the top.
7. Cover the Dish: Cover the baking dish tightly with aluminum foil to trap the steam.
8. Bake: Place the covered dish in the preheated oven and bake for 30 minutes.
9. Uncover and Cook: After 30 minutes, remove the foil and continue to bake for an additional 15 minutes, or until the chicken is cooked through and the rice is tender.
10. Add Tzatziki: Once out of the oven, drizzle tzatziki sauce over the chicken and rice.
11. Garnish: If desired, sprinkle fresh parsley on top for an added touch of freshness.

These straightforward steps will guide you through creating this incredible dish effortlessly!