Celery is the secret ingredient in this zippy dressing, adding juice and volume to the other ingredients. The vinaigrette needs very little oil as a result, which makes it a great choice if you're counting calories. It's delicious with any salad, or use it as a drizzle over steamed vegetables such as cauliflower, green beans, or broccoli.
Place all of the ingredients in a blender or food processor, and process until smooth. Pass the dressing through a fine mesh sieve and discard any solids. Taste and adjust the seasonings. Serve at room temperature or refrigerate, covered, for up to 4 days.