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