
Ruggiero couldn't figure out what made the salad dressing at New York's Natori so irresistible and was shocked when she finally got the secret ingredient out of the sushi chef: grated apple. Nor would you ever guess it from a bite of this dressing, since it's not at all sweet or fruity, just perfectly balanced and lip-smackingly delicious. Its slight pulp extends the unctuous richness of avocado and complements the clean assertiveness of watercress.
Cooks' notes:
·Watercress can be trimmed 1 day ahead and chilled in a sealed bag lined with damp paper towels.
·Dressing can be made 2 days ahead and chilled, covered. Stir or shake before using.


