Ingredients

2 tablespoons white-wine vinegar

1/2 teaspoon coarse salt

1/2 teaspoon freshly ground pepper

2 tablespoons extra-virgin olive oil

2 bunches watercress, tough stems trimmed, coarsely chopped (8 cups)

Preparation

Combine vinegar, salt, and pepper in a salad bowl. Slowly whisk in oil. Add watercress and toss with vinaigrette to evenly coat. Serve immediately.