Preheat your oven to 375 degrees fahrenheit
In a large baking dish, spread the uncooked rice evenly across the bottom
Pour the chicken broth and teriyaki sauce over the rice, stirring to combine
In a skillet over medium heat, add the olive oil and cook the diced chicken until browned on all sides. Season with garlic powder, onion powder, salt and pepper
Add the chicken, broccoli florets, and sliced carrots into the baking dish, spreading everything evenly
Cover with aluminum foil and bake for 40 to 45 minutes or until rice is tender and liquid is absorbed
Remove foil and sprinkle sesame seeds on top if you're using. Bake uncover for five additional minutes
Let sit for 5 minutes before serving. Garnish with chopped green onions