My Favorite Easy Chicken Casserole
["2 c. boneless cooked chicken breast chunks", "1 c. diced celery", "1 c. cooked rice", "1 can cream of mushroom soup", "3/4 c. mayonnaise", "1 c. sliced water chestnuts", "1/2 c. sliced almonds, toasted", "1 (2 oz.) jar diced pimiento", "1 Tbsp. chopped onion", "1/2 tsp. salt", "1/4 tsp. black pepper", "1/4 tsp. cayenne pepper", "2/3 c. shredded Cheddar cheese (optional)", "paprika (optional)"]
["Mix all ingredients except cheese and paprika until well blended.", "Place in a 2-quart casserole.", "Bake, uncovered, at 350\u00b0 for 45 minutes.", "Garnish with cheese and/or paprika during the last 10 minutes of baking time.", "Serves 8."]
["celery", "rice", "cream of mushroom soup", "mayonnaise", "water", "almonds", "pimiento", "onion", "salt", "black pepper", "cayenne pepper", "Cheddar cheese", "paprika"]