until golden, 5 to 8 minutes. Remove from skillet; cool and reserve. 2. Mix vinegar, pepper and salt in small bowl. Add oil in thin, steady stream, whisking continuously until dressing is smooth and thoroughly mixed. 3. Combine romaine, chicory, avocado, scallions, cheese and reserved walnuts in large salad bowl. Pour dressing over salad; toss. Taste and adjust seasonings. Serve immediately.