Macaroni Salad - cooking recipe

Ingredients

1 c. mayonnaise
2 Tbsp. vinegar
1 Tbsp. prepared mustard
1 tsp. sugar
1 tsp. salt
1/4 tsp. pepper
8 oz. elbow macaroni, cooked and drained
1 c. sliced celery
1/4 c. chopped onion (optional)
1 small jar diced pimentos (optional)
1 c. chopped green or red peppers (optional)

Preparation

Combine first six ingredients.
Stir in remaining ingredients. Cover; chill.