Lightly spray olive oil spray in a medium nonstick skillet and heat on a medium heat.
Add onion, garlic and cilantro and saute about 2 minutes, add ground turkey, salt, garlic powder, cumin and cook meat for 4 to 5 minutes until meat is completely cooked through.
Add 1/4 cup of tomato sauce and 1/2 cup of chicken broth, mix well and simmer on low for about 5 minutes.
Combine cooked rice and meat together.
Cut the bell peppers in half lengthwise, and remove all seeds. Spoon 2/3 cup meat mixture into each pepper half and place in a 9 x 13-inch baking dish. Top each with 1 tbsp cheese.
Pour the remainder of the chicken broth on the bottom of the pan. Cover tightly with aluminum foil and bake for about 45 minutes, until peppers are tender.