📌 Cà phê trứng — Vietnamese Egg Coffee

Posted 13 April 2026 by: Admin #Recipes

Prep Time

5 minutes

Cook Time

2 minutes

Total Time

7 minutes

Servings

1 serving

A gray Tuesday morning, the usual coffee in its stoneware mug, and suddenly a craving for something different. Not a long coffee, not a 6-euro latte. Just this recipe that the Vietnamese invented in the 40s, when milk was scarce and they had to improvise with what was at hand.

Final result — A Vietnamese-style egg coffee: two distinct layers, a creamy golden foam over a full-bodied espresso.

Look at this glass. Two distinct layers: below, a dark espresso, almost black, and above, a thick ivory foam, lightly golden like a flan freshly out of the oven. As you bring the glass to your lips, you first feel the full-bodied coffee, then the foam—warm, slightly sweet, with that scent of beaten egg that recalls raw sponge cake batter. The texture under the tongue is silky, dense without being heavy. Two flavors in a single sip.

Why you’ll love this recipe

✓Dairy-free : If milk makes you feel bloated in the morning, this recipe is for you. The creaminess comes entirely from the emulsion of the egg yolk—no dose of cream, no plant-based substitute.

✓Ready in under 8 minutes : Less time than a queue at the bar counter. The longest step is beating the yolk. And even that, two minutes are enough with a small electric whisk.

✓A real filling breakfast : The egg yolk adds lipids and proteins. It changes everything compared to black coffee on an empty stomach that leaves your stomach in knots at 10 a.m.

✓One base, a thousand variations : Honey or sugar, a pinch of cinnamon, a touch of vanilla, a spoonful of condensed milk. The basic recipe remains the same—it’s up to you to decide where you take it according to the mood of the day.

Ingredient Notes

Ingredients

Everything you need for a creamy dairy-free coffee: fresh egg, honey, strong coffee, and a touch of optional condensed milk.

The egg yolk : This is what does all the work. Choose a very fresh farm egg, with a bright orange yolk—not the pale yellow of battery eggs. The more colored it is, the more beautiful and flavorful the foam will be. One is enough per cup.
The coffee : Here, no question of filtered coffee that is too light. You need a short espresso, or a strong coffee brewed in a moka pot. The coffee must stand up to the sweetness of the foam. An Arabica that is too light would be overwhelmed—opt for a blend with Robusta if you can.
Honey or sugar : Vietnamese people use classic sugar. But acacia honey brings an additional roundness that pairs well with coffee. A level teaspoon, no more—the foam is already naturally sweet once emulsified.
Sweetened condensed milk (optional) : In the original Hanoi version, this is a key element. It further thickens the foam and softens the whole. If you want to stay in the authentic cà phê trứng spirit, add a tablespoon. Otherwise, skip it—it’s not essential.

Choose a coffee that doesn’t back down

The coffee is the foundation. A short espresso, a moka brewed with almost boiling water. The goal is for it to be hot—really hot—when pouring. It’s this heat that will slightly cook the surface of the foam and create that thin semi-firm film, similar to the skin on milk in a saucepan. Prepare it last, just before serving. It should not wait.

Beat until the mixture is almost white

Crack the egg, keep only the yolk. Add your sugar or honey directly on top, in a small bowl. Now, beat. Not thirty seconds—two minutes minimum, by hand or with an electric whisk. The mixture must turn from bright yellow to pale cream, almost white, and triple in volume. You feel the resistance change under the whisk: first liquid, then increasingly airy, almost elastic. This is the exact moment the foam is ready.

Pour slowly—the first centimeter is crucial

Place your glass on the table. Pour the hot coffee slowly, in a stream, over the beaten foam. Not all at once—you would crush everything. The foam rises to the edges, the coffee seeps in from underneath, and you get those two distinct layers that make all the charm of the drink. Some mix immediately. Don’t do that. The first sip should be foam, then coffee—two different moments in a single cup.

Taste before adding anything

Resist the urge to sprinkle cinnamon or add vanilla before you’ve tasted it. The egg-coffee-honey combination already has its own flavors—sweet, slightly smoky, with that subtle umami background that only egg yolk can give. Adjust afterward if you want. A pinch of cinnamon on top works very well. But don’t drown the egg’s work under too many aromas.

Tips & Tricks

Take your egg out of the fridge 15 minutes before—a room temperature yolk emulsifies much more easily and gives a more stable foam than a yolk straight from the cold.
If the foam seems too sweet, reduce the honey to half a spoon and add a tiny pinch of fine salt on top—it wakes everything up and balances the sweetness effortlessly.
The iced version exists and is worth the detour: let the coffee cool to room temperature, pour it over ice cubes, and spoon the foam on top. In contact with the cold, the texture changes—denser, almost creamy, like a light whipped cream that slowly melts into the coffee.

Close-up — The egg yolk foam up close: silky, light, with that pastry cream texture that melts into the coffee.

FAQs

Is it risky to drink raw egg yolk in coffee?

The risk exists but remains very low—about 1 in 20,000 eggs is estimated to be contaminated with salmonella. The hot coffee poured directly onto the foam reaches a temperature sufficient to significantly reduce this risk without completely cooking the yolk. If you have a weakened immune system, simply opt for pasteurized eggs available in stores.

Can I prepare this coffee without an espresso machine?

Absolutely. A moka pot gives excellent results, provided you don’t let the coffee burn on the stove. The important thing is to get a strong and concentrated coffee—an ordinary drip coffee will be too light and get overwhelmed by the sweetness of the foam.

Why does my foam collapse so quickly?

It is almost always a matter of insufficient beating time. It takes at least two minutes for the yolk to triple in volume and form a stable foam. A yolk straight from the fridge is also harder to emulsify—let it come to room temperature for about fifteen minutes before starting.

Can I use a whole egg instead of just the yolk?

No, raw egg white brings a watery texture and an unpleasant taste that ruins the whole thing. It’s really the yolk—and only the yolk—that contains the lecithins necessary for the emulsion. Keep the white for another use (meringues, omelet, etc.).

How to adapt the recipe for an iced version?

Prepare the foam in exactly the same way. Let your coffee cool to room temperature then pour it over ice cubes in a tall glass. Then spoon the foam on top. In contact with the cold, it becomes even denser and creamier—some prefer this version to the hot one.

Can I prepare the foam in advance?

It can be kept in the refrigerator for up to 4 hours in a covered bowl. Give it a quick whisk before using if it has slightly collapsed. Beyond 4 hours, the raw yolk starts to lose quality—better to prepare it fresh in the morning.