A distinguished culinary classic crafted with authentic techniques and finest ingredients, offering rich depth of flavour and elegant presentation.
Wash the potato matchsticks in cold water until the water runs clear, then soak.
Blanch the potatoes in boiling water for 30 seconds, then drain well.
Heat the oil with the Sichuan peppercorns and chilies, then fry the garlic until fragrant.
Add the potatoes, vinegar, sugar, and salt, and toss over high heat for 2 minutes.
Stir in the spring onions and serve crisp and tangy.