1. Remove stems from greens. Wash leaves thoroughly. Coarsely chop leaves. Set aside.
2. Mix chicken broth, water, onion, turkey drumstick, seasoned salt and garlic pepper in 6-quart saucepan or Dutch oven. Bring to boil. Stir in greens. Reduce heat to low; cover and simmer 1 1/2 hours.
3. Remove turkey drumstick. Pull meat from bone. Coarsely chop meat. Stir into greens. Cook 30 minutes longer or until greens are tender.