Authentic Khao Soi Recipe Northern Thailand, Thailand

Name: Khao soi
Prep time: 15 min
Cook time: 1 h 15 min
Yield: 4 servings
Cuisine: Thai
Ingredients: FOR KHAO SOI SPICE PASTE; 6 dried long red chillies, seeded for less heat if desired; 1 tsp whole coriander seeds; 1 tsp whole cardamom seeds; 1 tsp ground turmeric; 1 tsp kosher salt; 1 lemongrass stalk, white part bruised and soft inside finely chopped; 1 (1"/2.5 cm) piece of galangal, peeled and, roughly chopped; 2 Asian red shallots, peeled, chopped; 4 garlic cloves, chopped; 4 Makrut lime leaves, stems removed, roughly chopped; 1 tsp shrimp paste; FOR KHAO SOI; 2 cups (480 ml) + 1 tbsp vegetable oil, divided; 6 bone-in, skin-on chicken drumsticks; Khao soi spice paste (recipe above); 1 (13.5-oz/400g) can coconut milk; 5 cups (1.2 L) water; 3 tbsp fish sauce; 2 tbsp ground palm sugar or brown sugar; 4 cups (600g) wonton noodles or cooked egg noodles, divided; chopped fresh cilantro, Asian shallots cut into small wedges, lime wedges, sambal oelek, and chopped pickled mustard greens, for serving