01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Pat chicken breasts dry and season both sides with salt and black pepper.
03 - Arrange three shallow bowls: one with flour, one with beaten eggs and milk, and one with the mixture of panko, pecorino cheese, lemon zest, and parsley.
04 - Dredge each chicken breast in flour, shake off excess, coat with egg mixture, then press into panko-pecorino mixture until thoroughly coated.
05 - Place coated chicken breasts on prepared baking sheet and drizzle or spray lightly with olive oil.
06 - Bake for 20 to 25 minutes until the crust is golden and the chicken reaches an internal temperature of 165°F.
07 - While chicken bakes, melt butter in a saucepan over medium heat. Sauté garlic for 1 minute until fragrant.
08 - Add heavy cream and chicken broth to the pan, bringing to a gentle simmer.
09 - Add lemon juice, salt, black pepper, pecorino cheese, and lemon zest. Simmer for 3 to 4 minutes, stirring until slightly thickened. Adjust seasoning to taste and remove from heat.
10 - Arrange crispy chicken on plates, drizzle with creamy lemon sauce, and finish with chopped parsley.