Sheet Pan Meatloaf

Name: Sheet Pan Meatloaf
Ingredients: Nonstick cooking spray, for the sheet pan; 1/2 cup dry breadcrumbs; 1 cup milk; 6 slices white sandwich bread; 3 pounds ground beef; 1 cup grated Parmesan; 1 1/2 teaspoons seasoned salt, such as Lawry's; 1/2 cup minced fresh flat-leaf parsley; Freshly ground black pepper; 4 large eggs, beaten; 1 cup ketchup; 1/2 cup brown sugar; 2 tablespoons balsamic vinegar; 1 tablespoon Worcestershire sauce; 6 slices regular bacon, cooked crisp, cooled and chopped; Mashed potatoes and chopped fresh flat-leaf parsley, for serving