Pound out chicken breasts then slice into two pieces
Coat with Dijon mustard
Mix bread and parmesan, then coat chicken thoroughly with crumb mix
Fry in an oiled pan on a medium stove for 4 min/side
Place chicken on a grill tray
Briefly fry prosciutto
Place one piece of prosciutto on each chicken breast
Cover with passata, then top with cheese
Grill until the cheese is nice and melted, then serve.