Buttermilk Dressing

Ingredients

• 2 cups mayonnaise
• 2 cups buttermilk
• 1 tablespoon onion powder
• 1 tablespoon dried parsley flakes
• 1-1/2 teaspoons garlic powder
• 1/2 teaspoon salt
• 1/2 teaspoon celery salt
• 1/4 teaspoon pepper