Tuna Mushroom A La King
["1/2 c. sliced celery", "2 Tbsp. chopped onion", "1 Tbsp. margarine", "1 can cream of mushroom soup", "1/3 c. milk", "1 can tuna"]
["Cook celery and onion in margarine until tender.", "Blend in soup.", "Gradually stir in remaining ingredients.", "Heat and stir. Serve over toast."]
["celery", "onion", "margarine", "cream of mushroom soup", "milk", "tuna"]