How to Make Khoai Lang Chiên (Traditional & Healthy Version)
Khoai Lang Chiên, or Vietnamese crispy fried sweet potatoes, is a beloved street food snack enjoyed throughout Vietnam. This delightful dish showcases the naturally sweet flavors of local sweet potatoes, thinly sliced, lightly battered, and fried until golden perfection. The result is a snack that's irresistibly crunchy on the outside and tender on the inside, offering a perfect balance between texture and taste. Khoai Lang Chiên is commonly found at vibrant street markets, often served hot and fresh to locals and visitors alike. In Vietnamese culture, sweet potatoes have been a dietary staple for generations, prized for their affordability, nutrition, and satisfying flavor. This dish is not only a nostalgic childhood treat but also a vegan and vegetarian-friendly option that appeals to all ages. Its popularity stems from its simplicity, natural sweetness, and the communal joy of sharing crispy bites with friends or family. By making a healthier version at home, you can enjoy this authentic taste of Vietnam with less oil and more wholesome ingredients, bringing a piece of Vietnamese street food culture right to your kitchen.
Ingredients
- 2 medium Vietnamese sweet potatoes (khoai lang) (Orange or purple flesh for color and sweetness)
- 1/2 cup Rice flour (Bột gạo)
- 2 tablespoons Cornstarch (Bột bắp)
- 2 tablespoons All-purpose flour (Bột mì)
- 1/2 teaspoon Baking powder
- 1/4 teaspoon Salt
- 1 tablespoon Sugar (Optional, for extra sweetness)
- 2/3 cup Water (Adjust for batter consistency)
- For shallow frying Vegetable oil (Use a neutral oil like soybean or sunflower)
Step-by-step instructions
Step 1 · Peel the sweet potatoes and slice them into thin
Peel the sweet potatoes and slice them into thin, even sticks or rounds (about 1/4 inch thick) for even cooking.
Step 2 · In a bowl
In a bowl, whisk together rice flour, cornstarch, all-purpose flour, baking powder, salt, and sugar (if using). Gradually add water and mix until you have a smooth, slightly thick batter.
Step 3 · Drain and pat the sweet potato slices dry using a clean kitchen towel
Drain and pat the sweet potato slices dry using a clean kitchen towel.
Step 4 · Heat about 1 inch of vegetable oil in a large skillet or wok over m...
Heat about 1 inch of vegetable oil in a large skillet or wok over medium heat.
Step 5 · Dip each sweet potato slice into the batter
Dip each sweet potato slice into the batter, ensuring an even coat, then carefully place into the hot oil. Fry in batches, without overcrowding the pan.
Step 6 · Fry until the sweet potatoes are golden and crispy
Fry until the sweet potatoes are golden and crispy, about 2-3 minutes per batch. Remove and drain on paper towels.
Step 7 · Serve hot
Serve hot, optionally sprinkled with a pinch of salt or a light dusting of sugar.
Why this recipe is healthy
This healthy version of Khoai Lang Chiên uses minimal oil and nutrient-dense sweet potatoes, offering a guilt-free snack or side dish. The inclusion of rice flour and cornstarch creates a lighter, crispier coating while keeping the dish accessible for those sensitive to gluten. With no animal products or additives, this vegan street food is packed with vitamins, minerals, and slow-release carbohydrates, promoting better satiety and energy levels. It's a wholesome, plant-based take on a Vietnamese classic.
A note on tradition
Khoai Lang Chiên is a favorite treat from southern Vietnam, especially in the Mekong Delta, where sweet potatoes are abundant. It's commonly sold by street vendors in bustling markets or near schools, making it a nostalgic snack for many Vietnamese people. Traditionally, it's enjoyed as a mid-morning or afternoon snack and is especially popular during the cooler months. As a symbol of simple, rustic Vietnamese cuisine, Khoai Lang Chiên reflects the resourcefulness and creativity of local cooks.