3 large unpeeled Red Delicious apples, thinly sliced
1/3 cup crumbled blue cheese
1/4 cup walnut halves, toasted
1 bunch romaine, torn
1 bunch watercress, trimmed
In a small bowl, whisk the vinegar, mustard, dill, nutmeg, salt and pepper. Slowly add oil while whisking. In a large bowl, combine the apples, cheese, walnuts and 3 tablespoons dressing; toss to coat. Cover and refrigerate for up to 4 hours. Cover and refrigerate remaining dressing.
Place romaine and watercress in a large salad bowl; drizzle with remaining dressing; toss to coat. Arrange romaine mixture and apple mixture on serving plates. Serve immediately.