Trend bán khoai lang nướng của Genz
Trend bán khoai lang nướng của Genz is a easy Vietnamese recipe that serves 4. 150 calories per serving. Recipe by Cô Nàng Bán Khoai on YouTube.
Prep: 15 min | Cook: 45 min | Total: 1 hr 10 min
Cost: $2.15 total, $0.54 per serving
Ingredients
- 4 pieces Sweet Potatoes (medium size, about 300‑400 g each, scrubbed clean)
- 2 tablespoons Vegetable Oil (light oil for coating, such as canola or sunflower)
- 1 teaspoon Salt (fine sea salt)
- ½ teaspoon Black Pepper (freshly ground, optional)
Instructions
Wash and Dry Potatoes
Rinse the sweet potatoes under cold water, scrub off any dirt with a brush, then pat dry with a clean kitchen towel.
Time: PT5M
Pierce the Potatoes
Using the tip of a sharp knife, poke 6‑8 holes evenly around each potato to allow steam to escape while roasting.
Time: PT5M
Season
Place the potatoes on a baking sheet. Drizzle with vegetable oil and rub evenly with a basting brush. Sprinkle salt and optional pepper over all sides.
Time: PT5M
Roast
Preheat the oven to 200°C (390°F). Arrange the potatoes in a single layer and roast for 45 minutes, turning once halfway through, until the skins are crisp and a fork slides easily into the center.
Time: PT45M
Temperature: 200°C
Rest and Serve
Remove the potatoes from the oven, let them rest for 2‑3 minutes, then serve hot. Optionally slice open and add a dab of butter or a sprinkle of extra salt.
Time: PT2M
Clean Up
While the potatoes cool, wash the baking sheet, brush, and cutting board. Wipe down the oven interior if any drips occurred.
Time: PT10M
Nutrition Facts
- Calories
- 150
- Protein
- 2 g
- Carbohydrates
- 35 g
- Fat
- 3 g
- Fiber
- 4 g
Dietary info: Vegan, Vegetarian, Gluten‑Free, Dairy‑Free
Ingredient Substitutions
- Instead of Sweet Potatoes: Yams, Japanese Sweet Potatoes
- Instead of Vegetable Oil: Olive Oil, Avocado Oil
- Instead of Salt: Kosher Salt, Sea Salt
- Instead of Black Pepper: White Pepper, Paprika
Equipment Needed
- Oven
- Baking Sheet
- Aluminum Foil (optional)
- Sharp Knife
- Cutting Board
- Basting Brush (optional)
Critical Steps — Do Not Skip
- Piercing the potatoes to prevent explosion.
- Roasting at the correct temperature until fully tender.
Chef Tips from the Video
- Choose sweet potatoes with thin, smooth skin for the crispiest result.
- For a sweet‑savory twist, sprinkle a pinch of brown sugar or cinnamon after roasting.
- Serve with a side of chili sauce or a drizzle of condensed milk for authentic Vietnamese street‑food flavor.
Troubleshooting
Potatoes are still hard in the center after the stated cooking time.
Increase oven temperature to 210°C and continue roasting for another 5‑10 minutes, or cover with foil to retain heat.
Skin becomes too dry or burnt.
Lower the temperature to 190°C and reduce cooking time, or brush with a little extra oil halfway through.
Potatoes burst during roasting.
Make sure to pierce each potato thoroughly before cooking; add a few more holes if needed.
Storage
Refrigerator: Store in an airtight container for up to 3 days. Reheat in a 180°C oven for 10 minutes.
Freezer: Wrap individually in foil and freeze up to 1 month. Thaw in refrigerator and reheat.
Room temperature: Do not keep at room temperature longer than 2 hours.
Make-Ahead Tips
- Wash, dry, and pierce the potatoes a day ahead; keep them in the fridge uncovered to dry out the skin for extra crispness.
- Season and coat with oil, then cover loosely with foil; bake when ready.
Frequently Asked Questions
What is the cultural significance and history of roasted sweet potatoes (Khoai Nướng) in Vietnamese street food?
Roasted sweet potatoes, known as Khoai Nướng, have been a popular Vietnamese street snack for decades, especially during cooler evenings. Vendors sell them from stalls or carts, and they are cherished for their natural sweetness, affordability, and comforting warmth.
How is Khoai Nướng traditionally served in Vietnam?
Traditionally, Khoai Nướng is served hot straight from the oven or charcoal grill, often brushed with a thin layer of oil and sprinkled with salt. Vendors may also offer a side of condensed milk, chili sauce, or a dash of sugar for extra flavor.
What regional variations of roasted sweet potatoes exist within Vietnamese cuisine?
In northern Vietnam, the potatoes are usually larger and roasted over charcoal for a smoky flavor. In the south, they are often smaller, brushed with coconut oil, and sometimes served with a drizzle of coconut milk or caramelized sugar.
During which occasions or celebrations is Khoai Nướng commonly enjoyed in Vietnam?
Khoai Nướng is a staple snack at night markets, festivals, and during the Lunar New Year (Tết) when families gather and street vendors set up stalls. It’s also popular as a quick bite for students and workers during lunch breaks.
What authentic ingredients are used for traditional Khoai Nướng versus acceptable modern substitutes?
Authentic Khoai Nướng uses fresh sweet potatoes, a light coating of vegetable oil (often peanut or sunflower oil), and sea salt. Modern substitutes may include olive oil, flavored salts, or a sprinkle of powdered sugar for a sweeter twist.
What other Vietnamese dishes pair well with roasted sweet potatoes (Khoai Nướng)?
Khoai Nướng pairs nicely with grilled pork skewers (thịt xiên), fried spring rolls (chả giò), and a cold glass of sugar‑cane juice or iced tea. The sweet, earthy flavor balances savory and spicy street foods.
What are the most common mistakes to avoid when making roasted sweet potatoes (Khoai Nướng) at home?
Common mistakes include not piercing the potatoes, which can cause them to burst, and using too much oil, which makes the skin soggy. Also, roasting at too low a temperature results in a mushy interior rather than a fluffy, caramelized center.
Why does this recipe call for piercing the sweet potatoes before roasting?
Piercing creates vents for steam to escape, preventing pressure buildup inside the potato that could cause it to explode in the oven. It also helps the heat penetrate evenly for uniform cooking.
How do I know when the roasted sweet potatoes are done?
The potatoes are done when the skin is crisp and a fork or skewer slides into the center with little resistance. The interior should feel soft and fluffy, and the skin should have a golden‑brown hue.
What does the YouTube channel Cô Nàng Bán Khoai specialize in?
The YouTube channel Cô Nàng Bán Khoai specializes in Vietnamese street‑food recipes, focusing on simple, affordable snacks like roasted sweet potatoes, grilled corn, and sweet‑fruit treats, often filmed on location at local markets.
How does the YouTube channel Cô Nàng Bán Khoai's approach to Vietnamese street‑food cooking differ from other cooking channels?
Cô Nàng Bán Khoai emphasizes real‑world vendor techniques, using minimal equipment and showcasing how to prepare popular street snacks quickly for home cooks. Unlike studio‑based channels, she often films outdoors, highlighting authentic flavors and the hustle of street‑side cooking.
Last updated: September 6, 2026
