If you have a soft spot for desserts that combine timeless flavors with irresistible textures, then you are absolutely going to fall in love with my Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe. This cake is a majestic celebration of vanilla in all its creamy glory, bringing together a tender vanilla cake, rich and silky vanilla pastry cream, and a luxuriously smooth custard buttercream. Each bite feels like a dreamy hug of sweetness and comfort, perfect for any special occasion or when you simply want to spoil yourself. Trust me, once you make this Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe, it will become your go-to showstopper dessert that everyone will rave about.
Ingredients You'll Need
The magic of this Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe lies in how simple, carefully chosen ingredients work together to create something extraordinary. Each element plays a crucial role — from the creamy milk to the rich butter, and the perfectly balanced sugar to the delicate vanilla extract, which brings the whole dish to life with its aromatic warmth.
- Whole Milk (720 ml + 300 ml): The creamy base that ensures the cake and custard are rich and tender.
- Vanilla Extract (2 tablespoon total): Adds that classic warm and fragrant vanilla flavor that’s absolutely essential.
- Egg Yolks (7): These create the custard’s thick and velvety texture while enriching its flavor.
- Granulated Sugar (150 g + 350 g): Sweetens the custard and cake perfectly without overpowering the delicate vanilla notes.
- Cornstarch (6 tbsp): Acts as the thickening agent for the pastry cream to get that smooth, luscious consistency.
- Unsalted Butter (85 g + 227 g + 450 g): Adds richness and moisture throughout the custard, cake, and buttercream parts.
- Vegetable Oil (80 ml): Helps keep the cake tender and moist while balancing the butter’s richness.
- Large Eggs (3): Bring structure and softness to the cake layers.
- Cake Flour (312 g): Provides a lighter, softer crumb, which is vital for a perfectly tender cake.
- Baking Powder (1 tbsp): Gives the cake that gentle lift and fluffiness.
- Salt (½ teaspoon + ¼ tsp): Enhances all the flavors and balances the sweetness beautifully.
- Powdered Sugar (40 g): Sweetens and smooths the custard buttercream to a silky finish.
How to Make Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe
Step 1: Make the Vanilla Pastry Cream
Begin by whisking together your egg yolks, sugar, and cornstarch until the mixture becomes pale and slightly thickened — this is the foundation for your custard. Warm your whole milk with vanilla extract until it's steaming, but not boiling, then slowly temper it into your egg mixture. This gradual process ensures the eggs don't scramble and will result in a smooth custard. Once combined, return everything to the stove and whisk constantly until the custard thickens and bubbles. Let it cool slightly before whisking in the butter, adding it piece by piece for lush creaminess. Cover the pastry cream directly with plastic wrap and refrigerate it for at least two hours or overnight to let those beautiful flavors deepen.
Step 2: Bake the Vanilla Cake Layers
While the pastry cream cools, preheat your oven and prepare your cake pans. Carefully measure and blend the dry ingredients, then add butter until it forms a crumbly texture. Combining your milk with vegetable oil and eggs in parts, you will mix everything alternately, ensuring a moist and tender batter. Pour into pans and bake for about 30-40 minutes, checking with a toothpick for doneness. Once baked, allow the cakes to cool completely before assembling. This cake is designed to be light and fluffy, creating the ideal base to contrast with the rich custard and buttercream.
Step 3: Whip Up the Custard Buttercream
Separate a portion of your chilled pastry cream before you start this step because you'll use it for the cake’s filling later. Beat softened butter until pale and airy, then gradually add the room temperature pastry cream in spoonfuls, ensuring a perfect meld between the two. A touch of vanilla and salt balances the sweetness, which you’ll adjust with powdered sugar to your preferred taste. The result is a silky, custard-infused buttercream that feels indulgent but light, and it’s the kind of frosting that makes this recipe unforgettable.
Step 4: Assemble Your Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe
Slice each cake into two layers — four thin layers in total. Begin arranging your cake layers with a generous spread of custard buttercream between each level, smoothing it out for an even finish. On one middle layer, pipe a buttercream border and fill the center with the chilled pastry cream you reserved earlier, creating a gorgeous hidden surprise inside. Stack your layers carefully, finish with a final spread of buttercream, and decorate either simply or elaborately, piping rosettes if desired. Finally, spoon the remaining custard cream on top nestled inside the rosettes for a stunning presentation. This assembly brings all elements together into one delicious masterpiece.
How to Serve Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe
Garnishes
To elevate the beauty and flavor of your cake, consider fresh berries like raspberries, strawberries, or blueberries as they add both color and a mild tartness that balances the sweet custard. A sprinkle of toasted nuts, such as slivered almonds or pistachios, will introduce a delightful crunch and nutty aroma. For an elegant finish, a light dusting of powdered sugar or a few edible flowers makes the cake feel extra special without overwhelming the delicate vanilla profile.
Side Dishes
This custard cake is truly a centerpiece on its own, but pairing it with a simple cup of freshly brewed coffee or a fragrant herbal tea enhances the vanilla notes and rounds out the experience beautifully. For a chilled option, a scoop of vanilla bean ice cream or a dollop of lightly whipped cream on the side complements the textural contrasts and adds a refreshing touch to each forkful.
Creative Ways to Present
Please don’t be shy about getting creative with how you present your custard cake. Try serving individual slices with a drizzle of homemade fruit coulis or chocolate ganache for a luxe twist. Layer the sliced cake cubes and custard cream in pretty glass trifle dishes for a charming parfait-style presentation perfect for parties. These creative touches turn your Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe into a truly memorable dessert experience that’s sure to impress.
Make Ahead and Storage
Storing Leftovers
Any leftover cake should be stored in an airtight container in the refrigerator. Since it contains dairy-rich pastry cream and buttercream, keeping it cold preserves freshness and texture for up to 3-4 days, allowing you to enjoy your favorite dessert without any rush.
Freezing
This custard cake freezes beautifully if you want to prepare ahead or save portions. Wrap it tightly with plastic wrap and then foil to ensure no freezer burn occurs. When frozen, it keeps well for up to 1 month. Defrost overnight in the refrigerator for the best texture and taste before serving.
Reheating
Because of the custard layers, it’s best not to reheat this cake with heat, as it may alter the texture. If you prefer a softer cake, simply let refrigerated slices sit at room temperature for about 20-30 minutes before enjoying, so the flavors develop and the buttercream softens slightly.
FAQs
Can I use low-fat milk instead of whole milk?
Whole milk is recommended for this recipe because it contributes to the richness and creaminess of both the cake and custard, but you can substitute with 2% milk if needed. Keep in mind the texture and flavor might be slightly lighter.
Is it necessary to make the pastry cream ahead of time?
Yes, chilling the pastry cream for at least two hours, ideally overnight, allows it to thicken properly and develop the best flavor. This step is key for the custard’s smooth consistency and for assembling the cake successfully.
Can I make the cake layers a day in advance?
Absolutely! Baking the cake layers a day before assembly helps save time on the day of serving, and resting the cakes allows them to be easier to slice and layer without crumbling.
What can I do if the custard buttercream looks curdled?
This usually happens if the ingredients are at different temperatures. To fix it, try chilling the bowl for a few minutes and then whip again, or add a small splash of milk and continue beating until smooth. Patience is key!
Can I decorate the cake with fresh fruit or edible flowers?
Yes, fresh fruit and edible flowers make gorgeous, natural decorations that add visual appeal and a fresh flavor contrast to the custard and buttercream.
Final Thoughts
There’s something incredibly special about this Custard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe — it’s a dessert that feels both nostalgic and elegant. Its layers of soft vanilla cake, rich custard, and luscious buttercream combine to make each bite a celebration of flavor and texture. I encourage you to give this recipe a go because it’s the kind of cake that not only tastes amazing but also brings joy and warmth to any gathering. Once you try it, you’ll understand why it’s become such a cherished favorite!
PrintCustard Cake with Vanilla Pastry Cream and Custard Buttercream Recipe
This Custard Cake recipe is a luscious layered dessert featuring a moist vanilla cake paired with rich homemade vanilla pastry cream and a silky custard buttercream frosting. The cake is carefully assembled with layers of fluffy cake, smooth custard buttercream, and creamy cold custard in the middle for an indulgent, flavorful treat perfect for celebrations or special occasions.
- Prep Time: 30 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 15 minutes
- Yield: 16 servings
- Category: Dessert
- Method: Baking
- Cuisine: Western
Ingredients
Pastry Cream (Custard)
- 720 ml Whole Milk
- 1 tbsp Vanilla Extract
- 7 Egg Yolks
- 150 g Granulated Sugar (caster sugar)
- 6 tbsp Cornstarch
- 85 g Unsalted Butter
Vanilla Cake
- 300 ml Whole Milk
- 80 ml Vegetable Oil
- 3 Large Eggs
- 312 g Cake Flour
- 350 g Granulated Sugar (caster sugar)
- 1 tbsp Baking Powder
- ½ tsp Salt
- 1 tsp Vanilla Extract
- 227 g Unsalted Butter
Custard Buttercream
- 1 batch Vanilla Pastry Cream (⅔ of the prepared pastry cream for filling)
- 450 g Unsalted Butter
- 40 g Powdered Sugar
- 1 tsp Vanilla Extract
- ¼ tsp Salt
Instructions
- Make the Pastry Cream (Custard): Begin by whisking 7 egg yolks with 150 g sugar and 6 tablespoon cornstarch until pale and thick. Heat 720 ml milk with 1 tablespoon vanilla extract until just scalding, then gradually temper the hot milk into the yolk mixture careful not to scramble the eggs. Return the mixture to the saucepan and cook on medium heat, whisking constantly until boiling and thick enough to coat the back of a spoon, about 1-2 minutes. Remove from heat, strain if needed, then whisk in 85 g butter piece by piece. Cover with plastic wrap touching the surface and refrigerate for at least 2 hours or overnight.
- Make the Vanilla Cake: Preheat oven to 350°F (180°C) and grease two 8-inch cake pans. Separate 300 ml milk into two portions: ½ cup (118 g) mixed with 80 ml vegetable oil, and ¾ cup (177 g) mixed with 3 eggs and 1 teaspoon vanilla extract. In a mixer bowl, combine 312 g cake flour, 350 g caster sugar, 1 tablespoon baking powder, and ½ teaspoon salt. Add 227 g butter in chunks and mix on low until crumbly. Add milk/oil mixture and beat on medium speed for 2 minutes. Scrape down bowl, then mix in milk/egg mixture on low until just combined. Divide batter between pans and bake 30-40 minutes until a toothpick comes out clean. Cool cakes in pans for 30 minutes before removing.
- Make the Custard Buttercream: Remove ⅓ of chilled pastry cream and keep refrigerated. Let remaining ⅔ cream and 450 g butter come to room temperature. Beat butter on high speed until pale and fluffy, then gradually add the room temperature pastry cream one tablespoon at a time, whipping after each addition. Mix in 1 teaspoon vanilla extract and ¼ teaspoon salt. Taste and add powdered sugar in small increments until desired sweetness is achieved, whisking until smooth. If curdling occurs, fix by ensuring ingredients are same temperature.
- Assemble the Cake: Once cakes are fully cooled, slice each cake layer horizontally to create four thin layers. Lay one cake layer on serving plate, spread a thick layer of custard buttercream evenly. Add second cake layer and spread a thinner layer of buttercream. Pipe a border of buttercream around edge, then fill the center with half the reserved cold pastry cream. Add the third cake layer, cover with a generous layer of buttercream, then top with the final cake layer. Decorate as desired with rosettes of buttercream piping. Finally, pour the remaining cold custard cream into the center top surrounded by rosettes for a beautiful finish.
Notes
- Make the pastry cream at least 2-24 hours in advance to allow it to fully cool and thicken.
- Ensure all ingredients for the cake (butter, eggs, milk) are at room temperature to ensure even mixing and best texture.
- If the custard buttercream curdles during mixing, it usually means the butter and cream were not at the same temperature; to fix, gently rewarm the mixture or whisk vigorously until smooth.
- Use a serrated knife or cake leveler for clean, even layers.
- Store the assembled cake refrigerated and consume within 3-4 days for optimal freshness.
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