1 c. Hellmann's mayonnaise
2 tbsp. cider vinegar
Pepper
4 oz. twist macaroni, cooked
1 (7 oz.) can tuna, flaked and drained
1 c. cooked peas
1 c. sliced celery
1/2 c. red onion, chopped
1 tbsp. dried dill

In a large bowl, stir together mayonnaise, vinegar, and pepper. Add remaining ingredients; toss to coat well. Cover; chill overnight.