Use escarole or leaf lettuce in place of the Bibb lettuce.
To toast walnuts, spread on a cookie sheet and bake at 350°F. for 5 to 7 minutes or until golden brown, stirring occasionally.
To add a bit of a tang to this salad, add 1 tablespoon lemon juice and 1/2 teaspoon grated lemon peel. Garnish the salad with lemon wedges or long curls of lemon zest(peel). Cut long strips of lemon zest from the lemon with a lemon zester or a sharp paring knife.