Sheet Pan Pork Chop Supper

Name: Sheet Pan Pork Chop Supper
Ingredients: 5 tablespoons extra virgin olive oil (divided); Juice of 1 lemon; 2 tablespoons chopped fresh sage; 4 garlic cloves (minced); Diamond Crystal kosher salt; 4 bone-in pork chops (about 1-inch thick (~2 pounds)); 1 large Fuji apple (cored and cut into 8 wedges); 1 pound Brussels sprouts (halved or quartered depending on their size); ½ large red onion (peeled and cut into 6 wedges through the poles); Freshly ground black pepper; Aged balsamic vinegar; Handful Italian parsley (minced (optional))