Chicago-Inspired Italian Beef Sandwich

Details

Ingredients

• 1 ½ pounds boneless beef chuck, cut into 2-inch pieces
• salt and ground black pepper to taste
• 1 tablespoon vegetable oil
• 6 cloves garlic, sliced
• 2 tablespoons white vinegar
• 1 tablespoon dried oregano
• 1 ½ teaspoons salt, or to taste
• 1 teaspoon dried thyme
• 1 teaspoon dried rosemary
• 1 teaspoon freshly ground black pepper
• 1 bay leaf
• ¼ teaspoon red pepper flakes, or to taste
• 3 cups chicken broth, or as needed
• 4 ciabatta rolls, sliced in half
• 1 cup chopped giardiniera (pickled Italian vegetables)
• 2 teaspoons chopped fresh flat-leaf parsley