Preheat oven to 350. In a mixing bowl, combine chicken, egg white, mashed potatoes, rice, evaporated skim milk, onions, bell peppers, salt, black pepper, and poultry seasoning. Spread evenly into a 8" casserole dish. Bake, covered, for 1 hour. Meanwhile in another mixing bowl, combine ketchup and honey. Remove cover and spread onto baked chicken mixture. Bake 30 minutes more or until rice is done.