01 - Preheat oven to 350°F.
02 - Season chicken breasts evenly with salt, pepper, and half of the Italian herbs.
03 - In a large ovenproof skillet, melt butter over medium heat. Add chicken and sear each side for 2–3 minutes until lightly golden. Remove and set aside.
04 - In the same skillet, sauté chopped onion for 2–3 minutes until soft. Add garlic and cook another 30 seconds until fragrant.
05 - Reduce heat to low. Add cream cheese and milk, stirring until smooth and fully combined. Stir in Parmesan cheese and remaining Italian herbs.
06 - Return chicken breasts to the skillet, coating evenly with the cream cheese sauce. Transfer skillet to the oven and bake for 20–25 minutes, or until chicken reaches an internal temperature of 165°F.
07 - Garnish with chopped fresh parsley before serving.