Foryoueats: Guaydtiaao Bpet Dtoon (Thai Duck Noodle Soup)

Ingredients

• For the Broth:
• 1 whole duck (about 6 pounds; 2.72kg), giblets removed
• 1 medium white onion (8 ounces; 225g), peeled and halved
• 3/4 cup (180ml) Thai light (thin) soy sauce
• 1/2 cup (50g) roughly chopped Chinese celery roots or stems (see notes)
• 1/2 cup (50g) cilantro roots or stems (about 15 roots; see notes)
• 1/4 cup (60ml) Thai dark (black) soy sauce
• 3 tablespoons (30g) Thai brown rock sugar (also sold as rock candy)
• 3 tablespoons (30g) palm sugar
• 1 head garlic (50g), unpeeled
• One 2-inch piece fresh or frozen galangal (20g)
• 1 cinnamon stick (about 9g)
• 2 teaspoons Sichuan peppercorns
• 1 1/2 teaspoons whole black peppercorns
• 1 1/2 teaspoons coriander seeds
• 1 teaspoon white peppercorns
• 6 star anise pods
• 3 pandan leaves, washed