From Saveur Magazine
1/2 Cup buttermilk
1/2 Cup sour cream
1/2 Cup mayonaise
1 Tablespoon finely chopped fresh chives
1 Tablespoon finely chopped flat-leaved italian parsley
1 teaspoon garlic powder
1/2 teaspoon onion powder
salt and pepper
Put all in a bowl and mix well.
This dressing can be used as a dip for fresh veggies, or as a dressing for just about any mix of greens. Sturdier greens do better with this flavorful dressing.