Yield: 1 servings
| Measure | Ingredient |
|---|---|
| ¾ cup | Watercress,packed,chopped |
| ¾ cup | Unflavored nonfat yogurt |
| ¾ cup | Mayonnaise |
| 1 tablespoon | Lemon juice |
| ½ teaspoon | Dried tarragon leaves |
| 1 \N | Garlic clove |
| 2 teaspoons | Fish sauce or anchovy paste |
In a blender or food processor, combine watercress, yogurt, mayonnaise, lemon juice, tarragon, and garlic; whirl until smooth.
Add fish sauce to taste; whirl to blend. (If sauce is made ahead, cover and chill up to a day.) Makes about 1½ cups.