Ingredients

• 3 lbs small red potatoes, steamed and halved
• 2 stalks celery, finely diced
• 1 medium red onion, diced
• 1/4 cup vinegar
• 1/4 cup fat-free mayonnaise
• 1/2 cup fat free sour cream
• 1/4 cup parsley, chopped
• 1/2 teaspoon celery salt
• 1 dash pepper