01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Pat chicken breasts dry and season both sides evenly with salt and pepper.
03 - Arrange three shallow bowls: one with all-purpose flour, one with beaten eggs and milk, and one combining panko breadcrumbs, pecorino romano, lemon zest, and parsley.
04 - Dredge each chicken breast in the flour, shaking off excess. Dip in egg mixture and coat thoroughly in the pecorino-panko mixture.
05 - Place crusted chicken breasts on the prepared baking sheet. Lightly drizzle or spray with olive oil.
06 - Bake for 20 to 25 minutes or until golden brown and internal temperature reaches 165°F.
07 - While chicken bakes, melt butter in a saucepan over medium heat. Sauté minced garlic for 1 minute until fragrant.
08 - Add heavy cream and chicken broth, bringing to a gentle simmer.
09 - Incorporate lemon juice, salt, pepper, pecorino romano, and lemon zest. Simmer for 3 to 4 minutes, stirring, until slightly thickened.
10 - Taste sauce and adjust seasonings as needed. Remove from heat.
11 - Arrange chicken breasts on serving plates, drizzle with creamy lemon sauce, and garnish with chopped parsley.