Green Goddess Dressing

1 cup Blue Plate Mayonnaise                               
Sugar substitute equal to 2 tsp. of sugar
1/2 cup sour cream                                                 
1/4 teaspoon salt
1/2 cup coarsely chopped fresh parsley              
1/4 teaspoon dry mustard
2 green onions, chopped                                         
1/4 teaspoon garlic powder
2 tablespoons tarragon vinegar                             
Pepper to taste
 
Blend all ingredients together in blender or food processor until smooth. Use to dress cold seafood or salads. Store in a tightly covered jar in the refrigerator.  
Makes 1 1/2 cups.