Combine breadcrumbs, lemon zest, McCormick Garlic Powder, KEEN’S Mustard Powder and parsley together in a medium bowl and set aside.
Whisk the egg and milk together and set aside. Place each cutlet into the flour and shake off excess, then dip into the milk and egg mix and shake off excess.
Press cutlets into the crumb mixture. Heat oil in a large frying pan and shallow fry cutlets until golden brown.