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.