Preheat the oven to 350℉ (176℃).
Rinse the rice by covering it with water in a large bowl. Swish the grains with your hands, and then drain the water. Repeat until the water runs clear, drain, and set aside.
Remove excess oil from the pan, leaving 2-3 tablespoons of oil. Add the onions, bell pepper, thyme, garlic, and sauté until soft but not golden, 2-3 minutes. Then add the rice and stir for another 2 minutes.
Add onions, thyme, garlic, and ginger, and sauté until soft but not golden, 2-3 minutes. Then add the rice and stir for another 2 minutes.
Gently pour in the tomato sauce, chicken stock, salt, paprika, white pepper, curry powder, and chicken bouillon—everything else EXCEPT the vegetables. Stir, add the chicken back, and bring to a boil.
Place in the preheated oven and cook for about 20 minutes. Stir in the vegetables and cook for another 10-15 minutes.
Remove from the oven, let it cool slightly, and serve.