Toasted Walnut Salad  INGREDIENTS FOR WALNUT DRESSING:  2/3 cup walnut oil * 1/3 cup fresh lemon juice  1/2 teaspoon Dijon mustard  3/4 teaspoon sugar  dash salt  dash freshly ground pepper INGREDIENTS FOR SALAD:  4 heads Boston lettuce, torn  1 cup toasted walnuts, coarsely chopped  2 ounces blue cheese, crumbled (1/2 cup)  1 pear, peeled, cored, and thinly sliced TO PREPARE:  Walnut Dressing: Combine walnut oil, lemon juice, mustard, sugar, salt, and pepper in a covered jar. Shake well and refrigerate.  Toss lettuce, walnuts, blue cheese, and pear in a salad bowl. Add dressing, toss, and serve immediately.  NOTE: Walnut dressing may be made up to 4 days in advance and kept covered in the refrigerator. Walnut oil should be stored in the refrigerator as it turns rancid quickly.  SERVES 8  *Walnut Oil can be found at most specialty stores Click here to download printable recipe