Macaroni Salad with a Twist

INGREDIENTS

• 1 (16 ounce) package small seashell pasta
• 1 cup mayonnaise
• 1/4 cup distilled white vinegar
• 2/3 cup white sugar
• 2 1/2 tablespoons prepared yellow mustard
• 1 1/2 teaspoons salt
• 1/2 teaspoon ground black pepper
• 1 large Vidalia or sweet onion, chopped
• 2 stalks celery, chopped
• 1 green bell pepper, seeded and chopped
• 1/4 cup grated carrots
• 1 pound diced cooked ham