Chive Vichyssoise 
1 servings
1 tb Unsalted margarine
1 md Yellow chopped onion
1 md Chopped leek
1 md Chopped stalk celery
2 md All purpose potatoes(about 1/2 lb) peeled and diced.
1 3/4 c  Low salt chicken broth
1 c  Buttermilk
1 tb Minced fresh/freeze Dried chives
2 ts Lemon juice
1/4 ts Hot red pepper sauce
  
In a large heavy saucepan melt the margarine over moderate heat. 
 Add the onion, leek and celery and cook, uncovered, stirring, 
 occasionally, until the vegetables are tender, 6-8 minutes   > Do not brown. 
 Add the potatoes, stir in the chicken broth and bring to a boil. 
 Reduce to simmer and cook until the potatoes are tender, about 20 minutes. 
 In blender or food processor, puree the soup in 2 or 3 batches, 
 whirling each batch about 30 seconds. 
 Stir in the buttermilk, chives, lemon juice and red pepper sauce. 
 Cover the soup and refrigerate at least 2 hours before serving. 
 Thin with additional cold buttermilk if desired.