Combine chicken & salad dressing in a resealable plastic bag; Marinate for 1 1/2 hours: discard marinade Prepare medium fire in grill.
Thread chicken onto skewers and dust with bread crumbs. Grill over medium heat until juices run clear when pierced.
Bring white wine sauce to a simmer over low heat. Add mushrooms and prosciutto. Cook until mushrooms are tender. About 5 minutes.
Remove chicken from skewers to serving plate, top with provel cheese and cover with sauce. Garnish with additional provel cheese.
(If not using a grill preheat oven to 350 degrees. Do not use skewers, instead arrange in oven dish and bake for 15 to 20 minutes or until chicken is cooked through.)
