1 c. Hellmann's real or light mayonnaise
1 tbsp. prepared mustard
2 tbsp. vinegar
1 tsp. sugar
1 tsp. salt
1/4 tsp. pepper
8 oz. elbow macaroni, cooked, drained
1 c. celery, sliced
1 c. green or red pepper, chopped
1/4 c. onion, chopped

Combine first 6 ingredients. Stir in remaining ingredients. Cover; chill. Makes 5 cups.