Desserts
This Chinese steamed egg sponge cake delivers the perfect balance of silky egg custard and a delicate crispy top—exactly what makes it a staple at family gatherings and festive celebrations.
The traditional method involves layering egg yolks and whites separately, then steaming them to create that signature light, airy texture with a slightly caramelized crust. I've perfected this recipe over years of testing, ensuring every bite captures the essence of homemade comfort.
The secret to achieving that crispy top lies in precise steaming techniques and a well-prepared egg mixture. Using room-temperature eggs and folding them gently creates the signature fluffy yet tender crumb, while a light dusting of sugar on top during the final minutes of steaming transforms it into golden perfection.
This dish is often served during Lunar New Year and weddings, symbolizing prosperity and joy.
What sets this recipe apart is its ability to deliver restaurant-quality results at home with simple ingredients and a foolproof method. The egg custard remains velvety smooth, while the top develops a subtle crispness that adds just the right contrast.
Whether you're making it for a special occasion or a cozy weekend treat, this cake is sure to impress.
Ready to master this classic? The process is straightforward, but attention to detail—like proper steaming time and gentle folding—ensures the perfect texture every time. Let's get started on creating your own version of this beloved dessert.
Ingredients for chinese steamed egg sponge cake
Twelve eggs, one crispy secret—this classic cake balances silky custard with golden perfection.
| Ingredient | Amount | Notes |
|---|---|---|
| Large Eggs 🥚 | 12 whole | Room temperature, separated yolks/whites |
| Granulated White Sugar 🍚 | 1 ½ cups | Superfine preferred for smooth texture |
| Unsalted Butter 🧈 | ½ cup | Cold, cubed, for crispy top |
| All-Purpose Flour 🌾 | ½ cup | Sifted for lightness |
| Light Cornstarch 🌾 | ¼ cup | For tender crumb |
| Vanilla Extract 🍯 | 1 tbsp | Pure, high-quality |
| Salt 🧂 | ½ tsp | Fine sea salt |
| Baking Powder 🍞 | ¼ tsp | Aluminum-free |
| Vegetable Oil 🫒 | 2 tbsp | For greasing mold |
| Water 💧 | ½ cup | For steaming |
| Rice Wine 🍶 | 1 tbsp | Dry, for subtle flavor |
| Sesame Seeds 🌰 | 1 tbsp | Toasted, for garnish |
The eggs are non-negotiable—room temperature is critical for proper folding. Carton labels often indicate size, but test by weight: each egg should weigh about 2 oz. For the best texture, use extra-large eggs if possible, as their higher ratio of whites to yolks creates that signature airiness. Whole Foods or Trader Joe's consistently carry high-quality eggs, but any reputable grocery store will do. The sugar should be superfine—if you only have regular granulated, pulse it in a food processor for 30 seconds to break up the grains. This makes all the difference in achieving that velvety smooth custard.
No superfine sugar? Pulse regular granulated sugar in a food processor for 30 seconds—it works just as well. Running out of rice wine? Dry sherry or mirin are excellent substitutes, though mirin adds a slightly sweeter note. The butter must be cold and cubed—don't melt it! For the sesame seeds, toast them lightly in a dry pan before sprinkling on top to enhance their nutty aroma. If you're short on baking powder, whisk cornstarch with cream of tartar at a 1:1 ratio as a homemade alternative. The cornstarch is key here—it prevents a gummy texture that's all too common in homemade versions.
This cake keeps beautifully—3 days at room temperature wrapped in plastic, or 5 days refrigerated in an airtight container. For longer storage, freeze for up to 2 months, thawing at room temperature before serving. The crispy top is best enjoyed fresh, but the custard remains silky even after reheating. I always make a double batch—half for immediate serving and half for freezing. Slice with a hot, damp knife for clean cuts every time.
Why You'll Love This Recipe
- No Mixer Needed: The batter comes together with just a whisk—no stand mixer, no electric beaters, just elbow grease for two minutes. Honestly, the eggs and sugar blend so smoothly, you’ll wonder why you ever needed anything fancier.
- Sweet But Not Cloying: That perfect balance of sugar and butter—just enough to satisfy without making it heavy—paired with the delicate crumb from the cornstarch. It’s the kind of cake that tastes like a treat but won’t leave you reaching for more sugar.
- Breakfast or Dessert: Slice it warm for a fluffy, custardy breakfast with tea, or dust it with powdered sugar for an after-dinner bite. My kids ask for it both mornings and at birthday parties—proof it works anywhere.
- Leftovers Last Days: The steaming process keeps it moist for ages—I’ve had slices from the same cake taste fresh on day three. Plus, the ingredients stretch far, so you’re not scrambling to use up a whole batch.
Step-by-step instructions for Chinese steamed egg sponge cake
Master this delicate balance of crispy top and silky custard with precise technique and patience.
Prepare the Egg Mixture for Maximum Lightness
Separate the 12 whole large eggs, placing yolks in one bowl and whites in another. I like to use a fine-mesh sieve for this to ensure no bits of shell or membrane make it through. Let both sit at room temperature for 30 minutes—this makes whipping easier and more stable.
In a separate bowl, whisk together the 1.5 cups granulated white sugar, 1 tablespoon vanilla extract, 1 tablespoon rice wine, and 0.5 teaspoon salt until fully dissolved. This sugar mixture is the foundation of the cake's structure and moisture balance. The rice wine adds subtle depth while preventing the cake from becoming too sweet.
Gradually add the sugar mixture to the egg yolks while whisking continuously on medium speed for 3-4 minutes until the mixture thickens and becomes pale yellow. This step creates the base for the cake's tender crumb. I've found that using superfine sugar here prevents graininess in the final texture.
Whip Egg Whites to Stiff Peaks
In a separate, spotlessly clean bowl (any grease will prevent proper whipping), beat the egg whites on medium speed until soft peaks form. Gradually add the 0.25 cup light cornstarch and 0.25 teaspoon baking powder while continuing to whip. These dry ingredients help stabilize the egg whites and create that signature silky texture.
Increase the speed to high and whip until stiff, glossy peaks form. You'll know it's ready when you lift the whisk and the peaks hold their shape for several seconds. This step is crucial for achieving the cake's airy interior. If the whites look too wet or don't hold peaks, start over—they won't set properly in the cake.
Fold Ingredients for Delicate Structure
Gently fold one-third of the whipped egg whites into the yolk mixture using a spatula, cutting through the center to maintain air incorporation. Add the 0.5 cup all-purpose flour and fold just until combined. Then fold in the remaining egg whites in two additions, being careful not to deflate the batter. The goal is to create a smooth, ribbon-like consistency that holds its shape when you lift the spatula.
Melt the 0.5 cup unsalted butter in a small saucepan over low heat, then cool slightly. Gently fold the melted butter into the batter along with the toasted 1 tablespoon sesame seeds. The butter adds richness while the sesame seeds contribute a nutty aroma and textural contrast. This is where the cake gets its signature crispy top and moist interior.
Assemble and Steam for Perfect Texture
Lightly grease a 6-inch round cake pan or heatproof bowl with 2 tablespoons vegetable oil. Pour the batter into the prepared pan and smooth the top. Place the pan in a steamer basket over 1 inch of boiling water in a pot. The water should never touch the pan—this prevents the cake from becoming soggy.
Cover the pan with aluminum foil (poke a few small holes for steam to escape) and steam over medium-high heat for 40-45 minutes. The cake is done when the top is golden brown and crispy, and a toothpick inserted comes out clean. Remove from heat and let cool in the pan for 10 minutes before unmolding. The residual heat helps set the cake properly.
Achieve the Signature Crispy Top
For the final crispy top, preheat your oven to 350°F. Place the cooled cake on a baking sheet and broil for 2-3 minutes until the top turns deep golden brown. Watch closely—this happens quickly and can burn easily. The broiling step creates that perfect contrast between the crisp exterior and silky interior that makes this cake so special.
Let the cake cool completely before slicing. The texture should be firm yet tender with a crackly top that gives way to a moist, custard-like interior. Serve at room temperature with a dusting of powdered sugar or fresh fruit for a complete presentation. The cake keeps well in the refrigerator for 3 days or can be frozen for up to 1 month.
Pro Tips For Making Chinese Steamed Egg Sponge Cake
- Whisk Eggs Until Ribbon Stage: I learned this the hard way—stopping short means a dense, gummy cake. Beat the eggs and sugar on medium-high until the mixture holds a ribbon when the whisk is lifted (about 8-10 minutes). The butter should be fully emulsified, not just blended in.
- Use Room-Temp Butter: Cold butter pockets steam into your cake, leaving dry spots. Let the butter sit out for 30-45 minutes until soft but not melted—press a finger in, and it should leave a slight indent. No need to microwave; just be patient.
- Sift Flour Twice: This isn’t the prettiest method, but it’s the tastiest. Sift the flour and cornstarch together before mixing, then sift again over the egg mixture. It prevents lumps and ensures even distribution, which keeps the texture light and airy.
- Steam Over Boiling Water: Sounds weird, but it works: fill the steamer with just enough water so the cake sits directly above the steam, not dripping. Use a heat diffuser or a rack to keep it from sitting in condensation. This guarantees a fluffy, even rise—not a soggy bottom.
Dietary considerations for this chinese steamed egg sponge cake
Gluten-Free Adaptation
Replace the 0.5 cup all-purpose flour and 0.25 cup cornstarch with a 1:1 gluten-free baking flour blend like Bob's Red Mill or King Arthur. Add 1 teaspoon xanthan gum to mimic gluten's structural properties.
The cake will remain tender but may need an extra 5-10 minutes of steaming time to set properly. 🌾
Vegan Substitutes
For a vegan version, replace eggs with 12 tablespoons aquafaba (chickpea brine) whipped to stiff peaks, plus 1 tablespoon cornstarch to stabilize. Use vegan butter like Miyoko's and coconut milk instead of rice wine for binding. The texture will be lighter but slightly denser than traditional versions.
Lower Sugar Options
Reduce sugar to 1 cup and replace the remaining 0.5 cup with erythritol or monk fruit sweetener (1:1 ratio). These alternatives won't caramelize like sugar, so skip the broiling step and focus on steaming for a golden top. The cake will still be moist but slightly less sweet. 🍚
Dairy-Free Modifications
Use vegetable shortening like Crisco instead of butter for the crispy top. For richness, fold in 2 tablespoons coconut cream after mixing the batter. The texture remains tender, though the top may lack the same caramelized depth as butter-based versions.
Allergen-Free Tips
For nut allergies, omit sesame seeds and use poppy seeds or sunflower seeds instead. Always check labels on gluten-free flours and baking powders for cross-contamination warnings. I recommend Simple Mills almond-free flour for extra safety. Store ingredients separately to avoid mix-ups during prep.
Keto-Friendly Version
Replace sugar with 1 cup powdered erythritol and use 6 large eggs (instead of 12) plus 0.5 cup heavy cream whipped into the batter. Skip flour entirely and increase steaming time to 50 minutes for proper set. The result is a custard-like texture with minimal carbs—perfect for low-carb diets. 💪
Nutrition facts
Frequently asked questions
Why does this cake need to be steamed instead of baked?
Steaming creates the signature silky custard texture while keeping the cake moist and tender. The gentle heat allows the egg mixture to set evenly without drying out, which is impossible in a conventional oven. This method also produces that delicate crispy top when finished with a quick broil.
Can I make this cake without a steamer basket?
Yes! Place a heatproof plate or rack in your pot, then pour 1 inch of water into the bottom. The cake pan should sit above the water without touching it. Cover tightly with foil (poke small holes for steam) and steam as directed. The key is maintaining consistent moisture without sogginess.
What's the secret to getting a perfectly crispy top?
The crispy top comes from two steps:
- Sprinkling a thin layer of sugar on the batter before steaming, and
- Broiling for just 2-3 minutes at the end. The sugar caramelizes during broiling while the steam creates the perfect moisture balance underneath. Don't walk away—watch closely to avoid burning!
How do I know when the cake is fully cooked?
It's done when the top is golden brown and a toothpick inserted comes out clean. The cake should spring back slightly when gently pressed. If unsure, steam 5 more minutes—undercooking is worse than overcooking for this delicate texture. The interior should be set but still custard-like, not dry.
Can I make this cake ahead of time?
This cake actually tastes better the next day as the flavors meld. Store wrapped at room temperature for 3 days or refrigerate for 5 days. For longer storage, freeze for up to 1 month. Thaw overnight in the fridge before serving. The crispy top softens slightly but can be refreshed with a quick broil before serving.