Step 1
Heat the oven to 400°F and arrange rack in the middle. Cut each chicken breast in half horizontally. Set a cooling rack on a foil-lined rimmed baking sheet; set aside. Combine flour, 1/2 teaspoon of the salt, and 1/4 teaspoon of the pepper in a shallow bowl, mix until well combined; set aside. Combine Panko with the parsley, the olive oil, and 1/2 teaspoon of salt in a separate shallow bowl, and toss until evenly combined; and set aside. Whisk together egg whites, egg, and cheese in a shallow bowl until evenly combined; set aside.