Slice 1/2 onion thinly and wash the chives thoroughly. Trim the root ends and cut the chives into 5cm pieces.

Place the sliced onion and chives into a large bowl.

Add 1/2 tbsp sugar, 2 tbsp sesame oil, 2 tbsp chili powder, 1 tbsp minced garlic, 1.5 tbsp vinegar, and 2 tbsp fish sauce to the bowl.

Mix the chives, onion, and seasonings thoroughly by hand until well combined.

Cook the smoked duck in a frying pan without adding oil. Remove excess grease using paper towels during cooking.

Place the cooked duck on paper towels to remove any remaining grease.