Ingredients

• 5 red potatoes
• ½ cup reduced-fat mayonnaise
• 2 tablespoons grated parmesan cheese
• 1 ½ tablespoons dijon mustard
• 4 teaspoons cider vinegar
• ½ teaspoon cayenne pepper
• ½ teaspoon salt
• ¼ teaspoon ground black pepper
• ¼ teaspoon paprika
• ½ red onion, thinly sliced
• 2 green onions, chopped