Lemon custard cake has a magical way of transporting me back to my grandmother’s kitchen. The air would be thick with the sweet, tangy scent of fresh lemons, and I knew a slice of her incredibly light and airy creation was waiting. This isn’t just any cake; it’s a delicate dance between a tender cake and a luscious custard, offering a texture that’s both familiar and delightfully unique. If you’ve ever wanted to recreate that perfect balance of sweet and citrus, you’re in for a treat. This easy lemon custard cake recipe is surprisingly simple to follow, even for beginners. Let’s get baking!
What is Lemon Custard Cake?
So, what exactly is a lemon custard cake? It’s a delightful dessert that defies easy categorization, offering a unique experience unlike your typical layer cake or pound cake. Its magic lies in its texture – a light, airy cake batter that, when baked, magically separates into a tender cake layer on top and a smooth, creamy custard layer on the bottom. This isn’t a cake with a separate custard filling; the custard is baked right in! The flavor is a bright, refreshing burst of tangy lemon balanced with just the right amount of sweetness, making it incredibly appealing for anyone who loves citrus desserts. For more information on the science behind baking, you can explore resources on the science of cooking.
Why You’ll Love This Lemon Custard Cake
I’m so excited for you to try this recipe! It truly is a winner for so many reasons. Here’s why you’ll fall in love with this easy lemon custard cake:
- It’s incredibly moist lemon custard cake perfection, thanks to the unique baking method.
- The texture is divine – a light, airy cake topping a silky smooth custard layer.
- It’s surprisingly simple to whip up, making it perfect for weeknights or last-minute guests.
- The bright, tangy lemon flavor is wonderfully refreshing and not too sweet.
- It looks elegant on any dessert table with just a simple dusting of powdered sugar.
- It’s a guaranteed crowd-pleaser that appeals to both cake and custard lovers.
- You can make it entirely from scratch with common pantry staples.
Ingredients for Your Homemade Lemon Custard Cake
Gathering your lemon custard cake ingredients is the first step to baking this delightful dessert. The magic of this cake comes from how simple ingredients combine to create that signature texture. You’ll need:
- 1 cup (200g) granulated sugar – provides sweetness and helps create a tender cake crumb.
- 4 large eggs, separated – the yolks enrich the custard, while the whipped whites make the cake layer light and airy.
- 1/2 cup (115g) unsalted butter, melted and cooled – adds richness and moisture to the cake batter.
- 2/3 cup (80g) all-purpose flour – the base structure for our cake.
- 1/4 teaspoon salt – balances the sweetness and enhances the lemon flavor.
- 1 tablespoon grated lemon zest – this is where the bright, intense lemon aroma and flavor truly come from.
- 1/2 cup (120ml) freshly squeezed lemon juice – provides that essential tangy citrus punch.
- 1 1/2 cups (360ml) whole milk, at room temperature – crucial for creating the creamy custard layer when baked.
- Powdered sugar, for dusting (optional) – a simple, elegant finish for your homemade lemon custard cake.
How to Make Lemon Custard Cake From Scratch
Embarking on the journey of how to make lemon custard cake from scratch is incredibly rewarding, and I promise, it’s much simpler than it sounds! This recipe for a lemon custard cake from scratch is designed to give you that beautiful, light cake with its signature creamy custard layer. Let’s get our hands dirty and create something truly special!

Step-by-Step Baking Instructions
- Step 1: First things first, preheat your oven to 325°F (163°C). I like to prepare my 8-inch square baking dish by greasing it well and then lining it with parchment paper. This ensures our beautiful cake won’t stick.
- Step 2: In a large bowl, I like to beat the egg yolks with the granulated sugar. Keep going until the mixture turns pale yellow and looks wonderfully creamy – this aerates the yolks and starts building our custard base.
- Step 3: Now, let’s mix in the magic! Stir in the melted and slightly cooled butter, followed by the finely grated lemon zest and the freshly squeezed lemon juice. The aroma at this stage is already heavenly!
- Step 4: Sift in the all-purpose flour and the salt. Gently mix everything until it’s just combined. Overmixing can make the cake tough, so be tender here.
- Step 5: Gradually whisk in the room temperature whole milk. Make sure to whisk until the batter is smooth and lovely. This is where the custard layer really starts to form.
- Step 6: In a separate, clean bowl, beat the egg whites until they form stiff, glossy peaks. This is crucial for creating that lovely light cake texture on top.
- Step 7: Now for the delicate part: gently fold the whipped egg whites into the lemon batter. Do this in three additions, using a spatula to carefully incorporate them without deflating all that airy goodness.
- Step 8: Pour the finished batter into your prepared baking dish. It will look quite liquidy, but trust the process!
- Step 9: Bake for about 40-45 minutes. You’ll know it’s ready when the top is a beautiful golden brown and the center is just set – it might jiggle slightly, but it shouldn’t be liquid.
- Step 10: Let the cake cool completely in the pan. It will likely puff up during baking and then settle down as it cools, which is perfectly normal. Dust with powdered sugar just before serving for a pretty finish.
Achieving the Perfect Custard Texture
The secret to this cake’s signature texture lies in the batter itself. The combination of ingredients like milk, egg yolks, and flour, along with the gentle folding of egg whites, causes them to separate during baking. This process naturally creates a light cake layer on top and a smooth, creamy custard foundation below, all within the same pan. For tips on achieving perfect custard, check out Food Network’s guide to perfect custard.
Pro Tips for the Best Lemon Custard Cake
I’ve made this cake countless times, and a few tricks really elevate it. Here are my top tips to ensure your best lemon custard cake turns out perfectly every time:
- Room Temperature Milk is Key: Using room temperature milk helps the batter emulsify properly, which is crucial for creating that distinct custard layer. Cold milk can shock the batter and prevent the separation needed for the perfect texture.
- Don’t Overmix the Batter: When adding the flour and folding in the egg whites, be gentle! Overmixing can develop the gluten too much, resulting in a tougher cake and hindering the custard’s creamy texture.
- Trust the Jiggle: When the cake is done, the center should be just set and might still have a slight jiggle. It will firm up considerably as it cools. Avoid overbaking, as this can dry out the cake and make the custard layer less smooth.
What’s the secret to a perfect Lemon Custard Cake?
The real secret to a perfect tangy lemon cake with custard is in the careful balance of ingredients and the baking process. Ensuring your milk is at room temperature and gently folding in the whipped egg whites allows the batter to naturally separate into distinct cake and custard layers during baking. If you’re interested in learning more about baking techniques, you can explore resources from our baking expert.
Why is my Lemon Custard Cake eggy?
If your lemon custard cake tastes too eggy, it might be due to overbaking or not fully incorporating the sugar with the egg yolks. Make sure to beat the yolks and sugar until pale and creamy, and bake only until the center is just set to avoid a rubbery texture.
Can I make Lemon Custard Cake ahead of time?
Yes, you can prepare the batter for your lemon custard cake a few hours ahead and keep it refrigerated. However, it’s best baked fresh. Once baked, the cake is best enjoyed within a day or two for optimal texture. For more information on food storage, you can refer to our privacy policy which touches on handling of information.
Serving Your Lemon Custard Cake
This beautiful baked lemon custard cake is a stunner on its own, but I love dressing it up a bit. A simple dusting of powdered sugar is classic and lets the cake’s natural flavors shine. For an extra touch of elegance and tang, a light lemon custard cake with glaze is divine. Just whisk together some powdered sugar with a splash of lemon juice until you get a pourable consistency, then drizzle it over the cooled cake.
I also find it pairs wonderfully with a dollop of whipped cream or a scoop of vanilla bean ice cream. For a lighter option, fresh berries like raspberries or blueberries add a lovely contrast to the creamy lemon goodness. It’s truly versatile!

Variations of Lemon Custard Cake
While this classic lemon custard cake is divine, don’t be afraid to play around with it! If you’re a fan of intensely lemony desserts, you might love a variation closer to a lemon curd cake recipe, perhaps with a swirl of homemade lemon curd folded into the batter before baking for an extra burst of tartness. For a different texture, some bakers enjoy a recipe that leans more towards a lemon pudding cake recipe, which often has a slightly looser custard layer. You could also experiment with adding a touch of lime juice alongside the lemon for a more complex citrus profile, or even a hint of lavender for a floral twist. For those seeking dairy-free options, exploring plant-based milk and butter alternatives can create a wonderfully light and delicious citrus custard cake. You can find more recipes on our latest recipes page.
Nutrition Facts for Lemon Custard Cake
Here are the estimated nutritional details for one serving of this delightful lemon custard cake. Keep in mind these are approximate values:
- Calories: 230
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 33g
- Fiber: 1g
- Sugar: 16g
- Protein: 4g
- Cholesterol: 120mg
- Sodium: 85mg
Nutritional values are estimates and may vary based on specific ingredients used and portion sizes. For more details on data privacy, please see our GDPR information.
How to Store and Reheat Your Lemon Custard Cake
Once your beautiful lemon dessert cake with custard filling has cooled completely, proper storage is key to keeping it delicious. I recommend storing this cake in an airtight container at room temperature for up to two days. If you need to keep it longer, transfer it to the refrigerator, where it will stay fresh for about 3-4 days. The cool, creamy texture is actually quite lovely when served chilled!
While this cake is best enjoyed fresh, you can freeze portions for later. Wrap individual slices tightly in plastic wrap, then in aluminum foil, and freeze for up to 3 months. To reheat, let a frozen slice thaw overnight in the refrigerator. If you want it slightly warm, you can gently microwave it for about 10-15 seconds, but be careful not to overheat it, as the custard can become watery. For any questions regarding our services, feel free to check our contact page.
Frequently Asked Questions About Lemon Custard Cake
Can I use a different type of citrus for this cake?
While this is specifically a lemon custard cake recipe, you can certainly experiment! Orange or grapefruit juice and zest can be substituted for a different citrus flavor. Just be mindful that the tartness and sweetness levels might vary, so you may need to adjust the sugar slightly.
Why did my lemon custard cake separate into layers?
That’s actually the magic of this cake! The separation into a cake layer and a custard layer is intentional and what gives this baked lemon custard cake its unique texture. It happens naturally during baking due to the ratio of ingredients and how they interact with heat. For terms and conditions related to our site, please review our terms of use.
How can I make the lemon flavor more intense?
To boost the lemon flavor in your lemon custard cake, use fresh lemon zest – the zest contains the flavorful oils. You can also add a bit more lemon juice, but be cautious not to add too much liquid, as it could affect the custard texture. A lemon glaze on top also adds an extra punch of flavor!
What’s the best way to store leftover lemon custard cake?
Leftover lemon custard cake should be stored in an airtight container. It can be kept at room temperature for a day or two, or refrigerated for up to 4 days to maintain its freshness and creamy texture. It’s delicious served chilled!

Amazing Lemon Custard Cake: 40-Minute Recipe
- Total Time: 1 hour 5 minutes
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
A light and airy lemon custard cake that perfectly balances sweetness with a refreshing lemon flavor, ideal for any occasion. This easy-to-make homemade lemon custard cake from scratch offers a moist texture and a delightful citrus aroma, making it a crowd-pleasing dessert.
Ingredients
- 1 cup (200g) granulated sugar
- 4 large eggs, separated
- 1/2 cup (115g) unsalted butter, melted and cooled
- 2/3 cup (80g) all-purpose flour
- 1/4 teaspoon salt
- 1 tablespoon grated lemon zest
- 1/2 cup (120ml) freshly squeezed lemon juice
- 1 1/2 cups (360ml) whole milk, at room temperature
- Powdered sugar, for dusting (optional)
Instructions
- Preheat your oven to 325°F (163°C). Grease and line an 8-inch square baking dish with parchment paper.
- In a large bowl, beat the egg yolks with the granulated sugar until pale and creamy.
- Mix in the melted butter, lemon zest, and fresh lemon juice.
- Sift in the all-purpose flour and salt. Mix until just combined.
- Gradually whisk in the room temperature whole milk until the batter is smooth.
- In a separate clean bowl, beat the egg whites until stiff peaks form.
- Gently fold the whipped egg whites into the lemon batter in three additions, being careful not to deflate the mixture.
- Pour the batter into the prepared baking dish.
- Bake for 40-45 minutes, or until the top is golden brown and the center is just set.
- Allow the cake to cool completely in the pan. Dust with powdered sugar before serving, if desired.
Notes
- Use fresh lemon juice for the best flavor.
- The cake will puff up while baking and deflate slightly as it cools.
- This cake can be served warm or chilled.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 230
- Sugar: 16g
- Sodium: 85mg
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 33g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 120mg
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