This Balsamic Baked Chicken Breast recipe features juicy chicken breasts baked to perfection with a flavorful balsamic tomato sauce and melted mozzarella cheese. The chicken is seasoned with herbs and garlic, combined with sweet and tangy balsamic vinegar and brown sugar, then baked with grape tomatoes and red onions. Topped with fresh mozzarella and fresh parsley, this dish is a delicious and easy-to-make meal perfect for serving with rice or pasta.