Serving Size:  12

       1/4  cup  green onion -- coarsely chopped
     1/4  cup  fat-free mayonnaise
   1  tablespoon white wine vinegar
   1  tablespoon  Dijon mustard  
    1/8  teaspoon   black pepper
   1  teaspoon   garlic powder  
  8   ounces  fat-free sour cream  
    1/2  packet  artificial  sweetener

  Combine the green onion, mayonnaise, vinegar, mustard, pepper and garlic powder in a blender or food processor.  Blend until onion is finely chopped.  Transfer to another bowl, and stir in the sour cream and sweetener.  Chill.  Can be stored in the refrigerator for up to 1 week.  

Notes:  A nice summer dressing    

Per Serving:  Calories: 18.1;  Fat: 0.1g;  Protein: 1.5g;  Carbs: 4.5g;  Cholest: 2mg;  Sodium: 92mg

Seen it all, done it all, can't remember most of it.