CELERY WALDORF SALAD UPDATED

1 can (6 ounces) frozen apple juice concentrate, thawed
1 container (8 ounces) vanilla non-fat yogurt
1-1/2 tablespoons cornstarch
1 tablespoon granulated sugar
1/8 teaspoon salt
1 pound Red Delicious apples, cored and cut in bite-size chunks (3 cups)
2 cups sliced celery
1 cup halved seedless red grapes Lettuce leaves
2 tablespoons broken walnuts

In a large saucepan combine apple juice concentrate, yogurt, cornstarch, sugar and salt; mix well. Bring to a full boil; reduce heat and boil 1 minute longer without stirring. Add apples, celery and grapes; heat through. Spoon onto platter lined with lettuce leaves. Sprinkle with walnuts. Yield: 6 portions, 5-1/2 cups.