Trim ends from green beans, and remove strings. Steam beans, covered, 8 minutes or until crisp-tender. Place beans in a bowl; set aside. Steam potato, covered, for 8 minutes or until crisp-tender. Place potato in another bowl; set aside. Combine shallots and next 9 ingredients (shallots through pepper) in a small bowl; stir well. Pour 1/4 cup shallot mixture over beans, and toss well; cover and chill. Pour another 1/4 cup shallot mixture over potato, and toss well; cover and chill. Pour remaining shallot mixture over tomatoes, and toss well; cover and chill. Divide beans, potato, tomatoes, and watercress evenly among 6 plates. Drizzle any remaining shallot mixture over watercress. Yield: 6 servings. Per serving: 211 Calories; 5g Fat (17% calories from fat); 8g Protein; 43g Carbohydrate; 0mg Cholesterol; 338mg Sodium Recipe by: Cooking Light, June 1995, page 78 Posted to MC-Recipe Digest V1 #416 by igor@digex.net on Jan 28, 1997.