It's-No-Yolk Potato Salad Original recipe per serving: 278 cal., 22 g fat, 151 mg chol. This recipe: 95 cal, 0 g fat, 1 mg chol 1/3 cup nonfat mayonnaise or salad dressing 1/3 cup plain low-fat yogurt 2 tsp. Dijon-style or prepared mustard 1/4 tsp. salt 1/8 tsp. pepper Whites of 3 hard-cooked eggs, chopped 2-1/2 cups peeled, cubed, and cooked potatoes 1 stalk celery, thinly sliced 1/4 cup sliced green onion In a large mixing bowl stir together mayonnaise or salad dressing, yogurt, mustard, salt, and pepper. Add egg whites, potatoes, celery, and onion. Toss gently to coat. Cover and chill for 6 to 24 hours. Makes 6 side-dish servings.