Greens with orange dressing

1. In a small bowl, whisk together the vinegar, orange zest, 1 t. of water, the salt & pepper.
2. Let the dressing stand at room temperature for 15 min. in a large bowl, combine the endive & watercress.
3. Drizzle the dressing over the leaves and toss to coat.
4. Divide equally among 4 salad plates & serve.