Cool Tuna Salad
["1 can cream of celery soup", "1/2 c. mayonnaise", "2 Tbsp. vinegar", "1 Tbsp. onion powder", "4 c. rotini pasta (about 3 c.; uncooked)", "2 c. frozen mixed vegetables, thawed", "2 cans (6 oz.) tuna, drained and flaked"]
["Mix soup, mayonnaise, vinegar and onion powder in a large bowl.", "Toss pasta, vegetables and tuna together with soup mixture until evenly coated.", "Refrigerate at least 3 hours."]
["cream of celery soup", "mayonnaise", "vinegar", "onion powder", "rotini pasta", "mixed vegetables", "tuna"]