Chicken And Rice Casserole
["4 skinless chicken breasts", "1/2 c. mayonnaise", "1 egg", "1 box chicken flavored Rice-A-Roni", "2 c. fancy shredded cheese", "1 can mushrooms", "1 can water chestnuts", "1 can cream of mushroom soup", "1 can cream of celery soup"]
["Preheat oven to 350\u00b0.", "Boil chicken breasts until tender; let cool.", "Tear into strips.", "Prepare Rice-A-Roni as directed on the box.", "Combine all ingredients except 1/2 cup of cheese (save this for the topping).", "Cook for 30 minutes.", "Top with cheese; let stand to melt.", "Serve hot.", "Yields 12 servings."]
["chicken breasts", "mayonnaise", "egg", "chicken flavored Rice", "shredded cheese", "mushrooms", "water chestnuts", "cream of mushroom soup", "cream of celery soup"]