Overnight Tuna Casserole
["1 can cream of celery soup", "1 (6 1/2 oz.) can tuna, drained", "1 c. uncooked Creamettes", "1 c. shredded Cheddar cheese (reserve 1/4 c.)", "1 c. milk", "1 c. frozen peas", "1/2 c. chopped onion"]
["Mix soup and milk in 2-quart microwave-safe bowl until well blended.", "Stir in remaining ingredients, except 1/4 cup reserved cheese.", "Cover with lid or plastic wrap and refrigerate at least 12 hours or overnight.", "Microwave on High for 15 to 17 minutes, until bubbly.", "Sprinkle with reserved cheese.", "Let stand, uncovered, 5 to 7 minutes, until cheese melts.", "Makes 4 servings."]
["cream of celery soup", "tuna", "Creamettes", "Cheddar cheese", "milk", "frozen peas", "onion"]