1 tablespoon fresh lemon juice 3 red apples 3 celery stalks, thinly sliced crosswise 1 small heart of chicory (curly endive), torn into pieces 2/3 cup (5 oz) sour cream 2 tablespoons plain yogurt 1 tablespoon freshly7 grated horseradish salt freshly ground pepper 6 walnut halves, coarsely chopped
Fill a large bowl with water and add the lemon juice. Core the apples, but do not peel them. Cut them into l-inch (2.s-cm) chunks, dropping them into the bowl of water as they are cut. Drain well and add to a salad bowl along with the celery and chicory. In a small bowl stir together the sour cream, yogurt, horseradish and salt and pepper to taste until well mixed. Pour the dressing over the salad, add the walnuts, toss and serve.