When I lived in Hong Kong, steamed egg custard was one of those desserts I could not stop ordering. Every dai pai dong and dessert shop had its own version — always wobbly, always silky, always gone in about three spoonfuls. Moving back to Australia, I realised how hard it is to find a good one outside of Hong Kong, so I learned to make it myself.
This Hong Kong steamed egg custard is one of the simplest Cantonese desserts you will ever make. Three ingredients — eggs, milk, and caster sugar — come together in under 20 minutes. The magic is in the technique: warming the milk first, straining out every lump, and venting the steam at regular intervals so you get that trademark glass-smooth surface with no bubbles or honeycomb texture.
What you end up with is a custard that trembles on the spoon — creamy, barely sweet, and impossibly light. If you have never tried a steamed custard before, this is the perfect place to start.
Hong Kong Steamed Egg Custard (Silky 3-Ingredient Dessert)
Ingredients
- 2 medium eggs approximately 100 g total, weighed without shells
- 1 ½ tablespoons caster sugar
- 1 cup milk whole milk
Instructions
- Warm the milk in a small saucepan over low heat until it is just warm to the touch — around 50°C / 120°F. Do not let it boil or even simmer. If a skin forms on the surface, carefully lift it off with a spoon and discard it.
- In a mixing bowl, gently whisk the eggs until just combined — avoid creating foam. Add the warm milk and caster sugar, then stir gently until the sugar is fully dissolved and the mixture is evenly blended.
- Pour the mixture through a fine-mesh sieve into a clean bowl or directly into your heatproof serving bowls. Strain twice for the smoothest result. Use a spoon to gently skim off any surface bubbles — these cause an uneven, pockmarked top.
- Cover each bowl tightly with aluminium foil to prevent condensation from dripping into the custard. Bring the water in your steamer to a full boil, then carefully place the covered bowls onto the steamer rack. If you do not have a steamer, set a round wire rack inside a lidded pot and add water until it sits just below the rack.
- Reduce the heat to medium and steam for 12 minutes. Every 4 minutes, briefly lift the lid to release excess steam — this prevents large air bubbles from forming inside the custard. The custard is done when the edges are set but the centre still wobbles gently when nudged.
- Remove the bowls carefully from the steamer and let them cool at room temperature for 3 to 5 minutes. The custard will continue to set slightly as it cools. Serve warm, at room temperature, or chilled.
Nutrition
What Makes This Hong Kong Steamed Egg Custard Special
Most Western custards rely on the oven and a water bath to set. This Hong Kong steamed egg custard takes a completely different approach — gentle steam does all the work, producing a texture that is softer, more wobbly, and lighter than any baked custard you have tried.
Three things make this version stand out:
- Only three ingredients — eggs, whole milk, and caster sugar. Nothing else. No cream, no vanilla extract, no cornstarch. The purity of flavour is the entire point.
- The straining step — pouring the mixture through a fine-mesh sieve (ideally twice) removes every trace of chalazae and undissolved sugar, giving you that famously glass-smooth surface.
- Venting the steam — lifting the lid every four minutes releases excess pressure so the custard sets gently rather than puffing up with air pockets. This is the technique that separates a silky custard from a rubbery one.
The result trembles on the spoon and melts the moment it touches your tongue. It is comfort food in its most refined form.
Equipment You Will Need
- Small saucepan — for gently warming the milk. A small one gives you more control over the heat so you can avoid accidentally boiling it.
- Whisk — to combine the eggs without incorporating air. A fork works in a pinch, but a whisk blends more evenly.
- Fine-mesh sieve — the single most important tool here. It catches every lump and strand of egg white so your custard surface is perfectly smooth. A sieve with a mesh gauge finer than standard colanders is essential.
- 2 heatproof bowls or ramekins (150-200ml capacity) — ceramic or glass both work. Avoid metal, which conducts heat too aggressively and can overcook the edges.
- Steamer or steaming rack with lid — a bamboo steamer is traditional and absorbs condensation naturally. If using a metal steamer or a pot with a wire rack, wrapping the lid in a tea towel prevents water from dripping onto the foil.
- Aluminium foil — covers the bowls to shield the custard surface from direct condensation drops.
Tips for Best Results
- Warm the milk, do not heat it. You want it around 50°C / 120°F — warm to the touch but not hot. Hot milk will start cooking the eggs as you mix, creating scrambled streaks instead of a smooth custard.
- Whisk gently. The goal is to combine, not to aerate. Vigorous whisking creates tiny bubbles that turn into surface pockmarks after steaming.
- Strain twice. One pass through the sieve is good. Two passes is what makes the difference between homemade and dim sum restaurant quality.
- Skim surface bubbles. After straining, run a spoon across the surface of the mixture to pop or lift off any remaining bubbles. This step takes ten seconds and makes a visible difference.
- Use medium heat, not high. Aggressive steam causes the custard to puff and form a honeycomb of air pockets inside. A gentle simmer gives you a dense, creamy set.
- Do not skip the venting. Opening the lid every four minutes is not optional — it equalises the pressure and prevents the top from cracking or bubbling.
Substitutions and Variations
- Dairy-free version: Replace the whole milk with unsweetened soy milk for the most traditional non-dairy alternative used in Hong Kong dessert shops. Coconut milk works but gives a richer, heavier custard.
- Lower sugar: Reduce the caster sugar to 15g for a barely-sweet custard that lets the egg flavour shine. You can also replace it with honey — add it to the warm milk so it dissolves completely.
- Ginger custard: Steep two thin slices of fresh ginger in the warm milk for five minutes before straining and discarding them. This is a classic Cantonese variation.
- Matcha version: Sift half a teaspoon of matcha powder into the egg mixture before straining. The sieve will catch any clumps.
- Egg yolk only: For an even richer, more golden custard, use 3 egg yolks instead of 2 whole eggs. The texture will be denser and more pudding-like.
Storage and Reheating
- Refrigerator: Cover tightly with cling film and store for up to 2 days. The custard firms up slightly when chilled and tastes excellent cold — many people in Hong Kong actually prefer it this way.
- Do not reheat. Re-steaming or microwaving will cause the proteins to tighten, turning the silky texture grainy and watery. If you prefer it warm, eat it fresh.
- Freezing: Not recommended. The high water content and delicate egg protein structure do not survive freezing — you will end up with a watery, separated mess after thawing.
What to Serve With This
- On its own — this custard is traditionally eaten plain as an afternoon snack or after a dim sum meal.
- With ginger syrup — simmer sliced ginger with brown sugar and water for 10 minutes, strain, and drizzle a teaspoon over the custard. A classic pairing.
- As part of a Cantonese dessert spread — serve alongside red bean soup, black sesame soup, or mango pomelo sago for a Hong Kong dessert sampler.
- After a stir-fry dinner — the light sweetness and cool temperature of the custard balance rich, savoury mains perfectly.
Frequently Asked Questions
Why does my steamed egg custard have holes or bubbles inside?
This happens when the heat is too high or you skip the venting step. High heat creates rapid steam that gets trapped inside the custard, forming a honeycomb texture. Keep the heat at a gentle simmer and lift the lid briefly every four minutes to release excess pressure.
Can I use low-fat or skim milk instead of whole milk?
You can, but the custard will be noticeably thinner and less creamy. Whole milk’s fat content is what gives the custard its rich, silky mouthfeel. If you must use low-fat milk, consider adding one extra egg yolk to compensate for the missing richness.
Why is my custard still liquid in the centre after 12 minutes?
Your steamer may not be producing enough steam, or the bowls are too deep. Make sure the water is at a steady simmer before you place the bowls inside. If using deeper bowls, extend the steaming time by 2 to 3 minutes. The custard should wobble like jelly when done — it will firm up further as it cools.
What is the difference between Hong Kong steamed egg custard and crème caramel?
Crème caramel uses cream and is baked in a water bath, giving it a denser, firmer texture with a caramel sauce. Hong Kong steamed egg custard uses milk (no cream), is steamed rather than baked, and has a much lighter, softer, more wobbly texture. It is also far less sweet and lets the pure egg and milk flavour come through.
Can I steam this in a rice cooker?
Yes. Place a steaming trivet inside your rice cooker, add water below the trivet, and use the steam function. If your rice cooker only has a cook setting, monitor closely — some models run too hot and will overcook the custard. You will still need to vent by opening the lid every four minutes.
How do I know when the custard is perfectly done?
Gently tap the side of the bowl. The custard should wobble like soft jelly — set around the edges but with a visible tremor in the centre. It will continue to firm up as it cools. If the centre is still fully liquid, steam for another 1 to 2 minutes. If the surface looks puffed or cracked, the heat was too high.
A Brief History of Hong Kong Steamed Egg Custard
Steamed egg custard — known as 燉蛋 (dan6 daan2) in Cantonese — has roots in traditional Cantonese home cooking stretching back generations. Unlike the more famous egg custard tart (蛋撻), which was influenced by British and Portuguese colonial baking, steamed egg custard is purely Chinese in origin. It evolved from the broader Chinese tradition of steaming as a primary cooking method, where the gentle, indirect heat of steam was prized for preserving delicate textures and subtle flavours.
In Hong Kong, steamed egg custard became a staple of tong sui (糖水) — the Cantonese tradition of sweet soups and desserts served after meals or as afternoon snacks. Dessert shops across Kowloon and Hong Kong Island still serve it in small ceramic bowls, sometimes plain, sometimes with a drizzle of ginger syrup or a scattering of red dates. Its simplicity is the point — it is meant to be soothing, gentle, and understated, a quiet ending to a noisy, flavour-packed Cantonese meal.
If you give this Hong Kong steamed egg custard a try, I would love to hear how it turned out — drop a star rating and leave a comment below to let me know!
