Stuffed Herbed Chicken with Boursin Cheese

skinless, boneless chicken breasts, 1/2-pound each

Fresh basil leaves (or other green - beet green, swiss chard, spinach), enough to cover each chicken breast

finely chopped toasted walnuts

Boursin garlic and herb cheese (or 2.5 oz of herbed cream cheese recipe, see below), room temperature

breadcrumbs

grated Parmesan cheese

egg, beaten well

Salt

Pepper

cream cheese, softened

garlic clove, minced

fresh parsley, minced

fresh chives, minced

cayenne

freshly cracked black peppercorns

salt