In a large bowl, stir together the cooked rice, diced tomatoes, 1 cup shredded cheese, minced garlic, chili powder, cumin, garlic powder, onion powder, and paprika. Stuff each of the peppers with ¼ of the rice mixture.
2 cups cooked rice, 10 oz. diced tomatoes, 1½ cups shredded cheese, 2 cloves garlic, 2 tsp ground chili powder, 1 tsp ground cumin, 1 tsp garlic powder, 1 tsp onion powder, ½ tsp ground paprika, 4 bell peppers