Trứng Vịt Lộn

Trứng vịt lộn is a Vietnamese specialty of fertilized duck eggs with a developing embryo.

Lastest Updated January 6, 2024
Verified by A-Z Cuisines Team
  • Street Food
  • Traditional
Home » Dishes A-Z » Trứng Vịt Lộn

Fact: Many Vietnamese believe that eating an odd number of trứng vịt lộn can ward off bad luck.

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Basic Information

Trứng Vịt Lộn: Basic Information


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Alternative Name(s)

Hột vịt lộn, trứng lộn

Dish Type



Non-course dish


Breakfast, Lunch, Dinner

Popular Variations

Origin and Region

Trứng Vịt Lộn: Origin and Region



Continent’s Region

Southeast Asia

Country’s Region

Nationwide Origin

Associated Region

Vietnam Map
Ingredients and Preparation

Trứng Vịt Lộn: Ingredients and Preparation

Main Ingredients

Duck eggs

Main Cooking Method

Boiling or stir-frying

Preparation Process

Incubated eggs are boiled in water or stir-fried with other components.
A Deep Dive

Trứng Vịt Lộn: A Deep Dive

Cultural Significance

Famous street food in Vietnam




Creamy yolk and slightly firm white and embryo


Slightly gamey


Yellow (yolk) and grayish (embryo and white)

Serving Style

Typically served in the shell, opened and consumed directly from it

Serving Temperature

Usually eaten warm or hot right after boiling or stir-frying


Vietnamese coriander (rau răm), salt, pepper, kumquat juice


On any occasions



Special Diets



188 calories, according to data of Wikipedia for each balut egg


Vietnam and other Southeast Asian countries (like Philippines, Cambodia, Thailand, and Laos)

Popular Similar Dishes

  1. Trứng Cút Lộn
  2. Century Egg
  3. Salted Duck Egg
  4. Smoked Egg
  5. Soy Egg
  6. Tea Egg

Popular Dining Area

Local street vendors, markets, or households

Trứng vịt lộn (or hột vịt lộn or trứng lộn) is an exotic and traditional Vietnamese street food featuring fertilized duck eggs that have been incubated for about 19 to 21 days old.

Trung Vit Lon Overview

In fact, younger, sweeter eggs are typically harvested on the 17th or 19th day, while more mature eggs are taken out on the 20th or 21st day.

Trứng vịt lộn is a treat for adventurous eaters as it contains an immature duck embryo inside. However, it has a rich, savory flavor with a firmer texture from the partially developed duck embryo.

In Vietnam, boiling eggs is the most basic way to consume hột vịt lộn. In the reading, I’ll show you the proper method to boil these eggs. In fact, the way to enjoy them varies slightly based on region.

Furthermore, though trứng vịt lộn might be a scary treat, it is a nutritious food with several benefits that I’ll explain in detail later.

But besides these good things, there are also some cautions that you need to know before consuming it.

Finally, I’ll summarize its advantages and disadvantages, address some regularly asked concerns, and introduce other delights that are similar to trứng lộn. Let’s dig in!

Key Points

  • Trứng vịt lộn is a popular street food in Vietnam, consisting of duck eggs, incubated for 19 to 21 days.
  • It is known for its savory flavor and the distinct texture of its developing duck embryo.
  • These eggs are typically boiled, but also available in stir-fried recipes.
  • Trứng vịt lộn is packed with vitamins, protein, and minerals, offering various health advantages.
  • However, it is recommended to limit consumption and not to drink tea immediately after for health reasons.

Trứng Vịt Lộn Images

How To Boil Trứng Vịt Lộn Properly?

Boiling trứng vịt lộn doesn’t require any hard technique, but you should pay attention to the timing. The below guide will show you three essential steps to cook it.

Step 1: Preparing the Cooking Liquid

Add water with a pinch of salt and a few slices of crushed ginger to a pot. For more flavor, you can use coconut water.

Step 2: Cooking the Eggs

Once the water starts to simmer, gently place the eggs into the pot using a spoon, ensuring they don’t crack. When the water starts to boil, reduce the heat to low, cover the pot with a lid, and let the eggs cook for about 15-18 minutes.

Step 3: Finishing

After cooking, turn off the heat but keep the pot covered, allowing the eggs to continue steeping in the hot water for an additional 5 minutes. It helps the eggs to fully absorb the flavors.

Once cooked, it’s time to savor this interesting delicacy.

What Are Common Ways To Eat Trứng Vịt Lộn in Vietnam?

In Vietnam, the way of eating trứng vịt lộn varies by region.

  • Northern Vietnam: People typically crack the boiled egg into a small bowl, adding Vietnamese coriander (rau răm), salt and pepper, and kumquat juice, then eat it with a spoon. Additionally, they also add these eggs to hot pots to enrich the broth.
  • Central Vietnam: The egg is cracked slightly and peeled partially, then the liquid is sipped to prevent spillage. The rest is eaten as the shell is peeled away.

People here believe that doing it will reduce the gamey taste. Some places in the region often pair these eggs with sweet and sour pickled papaya.

  • Southern Vietnam: The egg is placed in a small cup with a larger end. To eat, a small hole is made at the top of the egg, and the inside is scooped out with a spoon. Many love to add salt and pepper to the eggs and sip the juice inside it first.

In the South, locals also stir-fried these eggs with tamarind sauce, buttery garlic sauce, or chili sauce to enhance the flavor.

No matter which way of eating it, trứng vịt lộn is a great choice since it contains various benefits. Continue reading to learn more!

What Are Trứng Vịt Lộn Health Benefits?

The National Nutrition Council of the Philippines highlights that trứng vịt lộn (or balut) is a nutritious food with several health benefits. It contains:

  • Vitamin C and beta carotene support the immune system by fighting free radicals.
  • Niacin, riboflavin, and thiamin assist in energy metabolism.

Moreover, each egg offers 14 grams of protein and is a good source of calcium, iron, and phosphorus, all within just 188 calories.

Though there are several good aspects about hột vịt lộn, it’s also important to consider some precautions when enjoying it.

What Are Precautions When Savoring Trứng Vịt Lộn?

You need to be aware of certain precautions to ensure a safe and enjoyable experience with hột vịt lộn. Here are two key notes, such as:

  • Limit Consumption: It’s advisable not to eat more than two trứng vịt lộn per week, as excessive consumption can increase blood cholesterol levels, leading to heart diseases.
  • Don’t Drink Tea Immediately After: It’s not recommended to drink tea right after eating trứng vịt lộn. The tannic acid in tea can interact with the egg’s protein, making it harder to digest.

To sum up, check the next part, which is about both advantages and disadvantages to have a broader view of this distinctive delight.

Pros and Cons of Eating Trứng Vịt Lộn

Let’s weigh the benefits and drawbacks of this Vietnamese egg style.


  • Nutrient-Rich: Trứng vịt lộn are a good source of protein, vitamins, and minerals such as iron and calcium.
  • Cultural Experience: Eating them offers a unique insight into Vietnamese street food.
  • Affordable Cost: These eggs are very cheap in Vietnam yet give you energy.


  • Acquired Taste: Its texture and flavor might scare a lot of people since there is an immature duck inside.
  • High Cholesterol Content: It may not be suitable for those with cholesterol-related health issues.

Next, keep in mind the regularly asked questions for more details.

Trứng Vịt Lộn FAQs

Look for eggs with a slightly rough shell, heavy in hand, and no sound when shaken. The egg should float in water. Choose medium-sized eggs and avoid older eggs which are darker in color, feel lighter, or make a rattling sound when shaken.

Once boiled, it should be eaten immediately or can be refrigerated for up to 24 hours. It’s not recommended to store it for extended periods.

Yes, when properly cooked, it is safe to eat. However, like any poultry product, there’s a risk of bacterial contamination if not handled correctly.

Pregnant women should consult their healthcare provider before consuming these eggs due to the potential risk of bacterial infection.

Similar Dishes of Trứng Vịt Lộn

Trung Cut Lon

Trứng cút lộn is a Vietnamese delicacy featuring partially developed quail eggs, often boiled and seasoned.

Truc Tran (Kris)

Truc Tran (Kris)

Senior Food Editor


Home Cooking, Meal Planning, Recipe Development, Baking and Pastry, Food Editor, Cooking-video Maker, Vietnamese Food Evaluation Expert


  • Hospitality (Commercial Cookery) at TasTAFE
  • Culinary Arts at Kendall College (Australia Branch in Sydney)
  • Vietnamese Cuisine Head Chef at HNAAu School (Vietnam, International Joint Training Program)

Truc Tran (Kris), an experienced food writer and editor, is great at exploring and describing global cuisines, from simple street food to fancy dining. In her writing, she skillfully mixes different flavors, cooking methods, and culinary traditions, showing the unique character of various cultures through their food and drinks. On, Kris highlights her knowledge, especially in Asian cuisine and worldwide traditional dishes.

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