3  medium cucumbers
1/2  teaspoon salt
1/4  cup sour cream or mayonnaise (reduced fat for healthier low fat recipe)
     2  teaspoons cider vinegar
     1  teaspoon sugar
  dash of pepper
1/4  cup onion, chopped (optional)

Cut about 1 inch off the point of each cucumber.  Peel and slice very thin.  Sprinkle with salt and onion and let stand 10 minutes.  Drain.
Add remaining ingredients in order given.
Serve very cold.