
Crispy-edged Peruvian purple potatoes tossed in a high-heat wok with smoky dried chilies, Sichuan peppercorns, and a splash of aged black vinegar. A vibrant, soul-stirring side dish that marries Andean earthiness with Cantonese fire.
Place the potato matchsticks in a bowl of cold water for 10 minutes to remove excess starch. Drain and pat them bone-dry with a kitchen towel. This is the secret to the crispness.
Wet potatoes will steam instead of sear; ensure they are completely dry.
In a small bowl, whisk together the Chinkiang vinegar, light soy sauce, Aji Amarillo paste, and sugar until the harmony of salt, acid, and heat is achieved.
Adjust the Aji Amarillo if you prefer a more aggressive heat.
Heat your wok or a heavy cast-iron skillet over high heat until a bead of water evaporates instantly. Add the oil and swirl to coat the surface.
Wait for the oil to shimmer and just begin to smoke.
Add the dried chilies and Sichuan peppercorns. Stir-fry for 30 seconds until the oil is fragrant and the chilies darken slightly. Do not let them burn.
If the peppercorns turn black, they will become bitter; move quickly.
Toss in the potato matchsticks. Spread them out and let them sear undisturbed for 2 minutes to develop a golden-purple crust. Toss and continue to stir-fry until they are tender yet retain a slight snap (al dente).
Maintain high heat throughout to keep the vibrant color of the potatoes.
Add the garlic, ginger, and scallions. Stir-fry for another minute until the aromatics release their essence.
Pour the sauce mixture around the edges of the wok so it sizzles before hitting the potatoes. Toss rapidly to glaze every matchstick. Season with a pinch of salt if needed and serve immediately.
The vinegar should reduce into a glossy, tart coating.
This dish is a bridge between the high-altitude flavors of the Andes and the wok-fired essence of Cantonese cooking. The key is the 'Wok Hei'—that breath of the wok. Ensure your pan is screaming hot before the potatoes hit the surface. The black vinegar provides a necessary acidity that cuts through the starch, while the Aji Amarillo offers a sunshine-bright creep of heat. Respect the lineage of the potato; it was born in the mountains, but here, it travels the Silk Road.
Nutrition data is estimated and may not be fully accurate. This is not medical advice — consult a registered dietitian or healthcare professional for personalized guidance.
Prices shown reflect the estimated cost of the portion used in this recipe, not the full item price. Actual costs may vary by store and location.