"Place the chickens, carrots, onion, and salt in a 12-quart pot. Add enough cold water (about 16 cups) to cover. Bring to a boil. Reduce heat and simmer gently, uncovered, for 1 hour. Skim off any foam that appears. Transfer the chickens to plates and let cool. Remove the carrots and onion with a slotted spoon and discard. Add the rice to the broth and simmer for 20 minutes. Meanwhile, shred the chicken meat, discarding the skin and bones. Add the meat and ¼ teaspoon pepper to the broth and heat for 3 minutes...."