Preheat your oven to 375°F (190°C). Rinse the long-grain rice under cold water until the water runs clear to remove excess starch.
In a mixing bowl, combine smoked paprika, garlic powder, onion powder, salt, and black pepper. Add chicken breasts and drizzle with olive oil. Toss until chicken is evenly coated.
Heat a large skillet over medium-high heat. Add chicken breasts and sear 2-3 minutes on each side until golden crust forms. Remove and set aside.
In the same skillet, add diced bell peppers and sauté for 3-4 minutes until slightly softened.
In an oven-safe baking dish, spread rinsed rice evenly. Sprinkle sautéed bell peppers and frozen peas over rice. Pour chicken broth evenly over the mixture without stirring. Nestle browned chicken breasts on top.
Cover dish tightly with aluminum foil and bake for 35 minutes. Remove foil and bake uncovered for an additional 10-15 minutes to brown chicken and finish cooking rice.
Remove dish from oven and let rest for 5 minutes. Sprinkle chopped fresh parsley over the top. Serve warm and enjoy.