Red-Cooked Pork with Frizzled Ginger

Ingredients

6 cups water

1 cup soy sauce

1 cup Chinese rice wine or medium-dry Sherry

1/2 cup Chinese rock sugar or packed light brown sugar

1 bunch scallions, white parts smashed and greens reserved

2 (1-inch-thick) pieces fresh ginger, smashed

2 garlic cloves, smashed

10 fresh cilantro stems (reserve leaves for garnish)

2 (4- by 1-inch) strips fresh orange zest

2 whole star anise

1 (5- to 6-lb) boneless pork butt, shoulder, or blade roast, tied

1 teaspoon finely grated fresh orange zest