Substitute ham for the chicken and shredded Swiss cheese for the Parmesan cheese.
Cut edges of basil leaves turn black very quickly which is fine when adding to a sauce or mixture. Carefully tear the basil leaves just before adding to this salad to prevent the edges from darkening as quickly.
Rub the lemon peel over the small holes of a grater. Grate only the yellow peel because the white part (pith) is bitter.