Broiled Ham Hock with Braised Cabbage Recipe

Name: Broiled Ham Hock with Braised Cabbage Recipe
Ingredients: 2 tablespoons dijon or whole grain mustard; 1 teaspoon white or red wine vinegar; 6 tablespoons olive oil; Kosher salt and freshly ground black pepper; 4 pounds bone-in ham hocks; 1 onion, roughly chopped; 2 stalks celery, roughly chopped; 1 large carrot, roughly chopped; 1 small bunch parsley; 2 bay leaves; 1 pound savoy or white cabbage, finely sliced (about 1/2 large head); 1 tablespoon balsamic vinegar