This one is for Helen.  It is almost like Green Goddess dressing.

Ingredients:

• 1 c       Oil
• 1/4 c   Red wine vinegar
• 1 c       Sour cream
• 1 c       Mayonnaise (real)
• 1/4 c   Dried onion
• 1          Large bunch parsley

Directions:

1. Process all but mayo and sour cream in a blender or food processor.
2. Add mayo and sour cream while running.

Source:  The Loving Spoons of Villa Park, Catherine Wells