Ingredients
- 1 garlic clove
- 3/4 c nonfat yogurt (unflavored)
- 3/4 c watercress
- 3/4 c mayonnaise
- 1 tb lemon juice
- 2 ts fish sauce
- 1/2 ts tarragon leaves (dried)
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 1 1/2 cups.