Creamy Vanilla Slice with Flaky Puff Pastry
If you’re looking for a delightful dessert that’s sure to impress, then this Creamy Vanilla Slice with Flaky Puff Pastry is an absolute must-try! This recipe captures the essence of indulgence with its layers of flaky pastry and velvety custard. It’s one of those treats that can transform any ordinary day into a special occasion. Whether you’re celebrating a family gathering, hosting friends, or just craving something sweet, this creamy vanilla slice will surely bring smiles all around.
What makes this recipe so special is not just its taste but also the nostalgia it brings. When I make this dessert, it reminds me of sunny afternoons spent baking in my grandmother’s kitchen. The process is surprisingly easy and perfect for both novice bakers and seasoned pros alike. Plus, it’s a wonderful make-ahead option—just prepare it in advance and let it chill until you’re ready to serve!
Why You’ll Love This Recipe
- Irresistible Flavor: The combination of creamy vanilla custard and crispy pastry creates an unforgettable taste experience.
- Easy to Follow: With straightforward steps, even beginners can whip up this dessert with confidence!
- Impressive Presentation: Dusting the finished slices with powdered sugar gives them an elegant touch—a perfect finish for any gathering.
- Make-Ahead Convenience: Prepare this sweet treat ahead of time; it only gets better as it chills!
- Family-Friendly: This dessert is loved by both kids and adults, making it a hit at family gatherings.

Ingredients You’ll Need
This Creamy Vanilla Slice with Flaky Puff Pastry uses simple and wholesome ingredients that you probably already have in your pantry. Let’s gather everything we need to create this delicious dessert!
For the Puff Pastry
- 2 (8½ oz; 490g) sheets of puff pastry, (thawed)
For the Custard
- ⅔ cup (133g) granulated sugar
- ½ cup (60g) cornstarch
- ¼ tsp kosher salt
- 3½ cups (795g; 830ml) whole milk, (warm)
- 6 large egg yolks, (room temperature)
- 1 vanilla bean, (cut in half, seeds scraped out, or 2 tsp vanilla bean paste)
- 4 Tbsp (60g) unsalted butter, (cold, cubed)
For Dusting
- Powdered sugar, (for dusting)
Variations
This recipe is wonderfully flexible! Feel free to customize your vanilla slice to suit your tastes or dietary preferences.
- Add fruit toppings: Consider layering fresh berries or sliced bananas on top before serving for a fruity twist.
- Experiment with flavors: Swap out the vanilla bean for almond extract or lemon zest for a different flavor profile.
- Make it chocolatey: Fold in some melted dark chocolate into the custard for a rich chocolate version.
- Gluten-free option: Use gluten-free puff pastry sheets to cater to gluten sensitivities while keeping all the deliciousness!
How to Make Creamy Vanilla Slice with Flaky Puff Pastry
Step 1: Prepare the Puff Pastry
Preheat your oven to 400°F (200°C). Line two baking trays with parchment paper. Roll out the puff pastry sheets slightly to about 9×9 inches. Pricking them all over with a fork prevents them from puffing too much during baking—this ensures they stay nice and flat for our decadent layers.
Step 2: Bake the Puff Pastry
Bake for about 35-45 minutes until golden and crisp. Keep an eye on them starting around 30 minutes—you want that lovely golden brown color! Once baked, set aside to cool completely.
Step 3: Trim the Edges
Using a serrated knife, carefully trim the edges of your baked pastry sheets so they fit snugly in an 8×8-inch square pan. This step helps create those beautiful clean lines when you cut into your finished dessert.
Step 4: Mix the Dry Ingredients
In a medium saucepan, whisk together granulated sugar, cornstarch, and kosher salt. Add in the egg yolks and whisk until everything is thoroughly combined. This mixture will help create our luscious custard base.
Step 5: Warm the Milk
In another saucepan over medium heat, warm your whole milk until it begins to steam—just shy of boiling. Heating it gently helps integrate flavors without scorching.
Step 6: Temper the Eggs
Slowly pour in one cup of warm milk into your sugar and egg mixture while continuously whisking—it’s crucial! This gradual heating prevents scrambling the eggs. Then mix this tempered blend back into the saucepan with the remaining warm milk.
Step 7: Cook, Then Add Butter
Continue cooking over medium heat while whisking constantly until your mixture thickens and bubbles—about 5-7 minutes more. Once it’s thickened perfectly, remove from heat and stir in those glorious vanilla bean seeds along with cold cubed butter until melted and smooth.
Step 8: Assemble, Then Chill
Line an 8×8 pan with aluminum foil for easy removal later on. Place one piece of cooked puff pastry at the bottom. Pour that warm custard right on top and smooth it out evenly. Place your second piece of puff pastry on top and gently press down to adhere before covering tightly with plastic wrap or foil. Refrigerate for at least four hours—or overnight if you can wait!
Step 9: Slice Then Serve!
When it’s time to serve, gently lift your slice out using that foil overhang—easy peasy! Transfer to a cutting board and use a serrated knife to cut into squares. Wipe down the knife between cuts for neat slices if you wish! Dust generously with powdered sugar before enjoying every creamy bite!
I hope you love making this Creamy Vanilla Slice with Flaky Puff Pastry as much as I do! It’s truly irresistible!
Pro Tips for Making Creamy Vanilla Slice with Flaky Puff Pastry
Making the perfect Creamy Vanilla Slice is all about attention to detail and a little bit of love. Here are some tips to ensure your dessert turns out beautifully every time!
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Use cold ingredients: Starting with cold butter and room temperature egg yolks helps achieve the ideal custard texture. Cold butter will blend in smoothly, while room temperature egg yolks mix more easily, leading to a creamy filling.
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Whisk constantly: When cooking the custard, keep whisking to avoid burning and ensure an even consistency. This helps prevent lumps and results in a silky-smooth custard that everyone will rave about.
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Sieve the custard: For an extra smooth finish, consider passing your custard through a fine-mesh sieve before pouring it onto the pastry. This step catches any potential lumps and creates a luxurious texture that’s simply irresistible.
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Chill overnight if possible: While chilling for at least 4 hours works well, giving it an overnight rest allows the flavors to meld beautifully. This results in a more intense vanilla flavor and a firmer slice that’s easier to cut.
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Clean your knife between cuts: Wiping your serrated knife between slices ensures clean edges and maintains the elegant look of your dessert. It’s those little details that make your dessert look professionally made!
How to Serve Creamy Vanilla Slice with Flaky Puff Pastry
Presenting your Creamy Vanilla Slice beautifully can elevate this delightful treat from homemade to gourmet! Here are some serving ideas to impress family and friends.
Garnishes
- Fresh berries: A handful of raspberries or strawberries adds a pop of color and a tangy contrast that complements the sweetness of the vanilla slice.
- Mint leaves: A few sprigs of fresh mint provide a refreshing touch that enhances both presentation and flavor.
- Chocolate shavings: Adding delicate chocolate curls on top not only looks stunning but also brings richness that pairs perfectly with the creamy vanilla custard.
Side Dishes
- Light fruit salad: A mix of seasonal fruits like melons, kiwi, and citrus can enhance your dessert experience by adding freshness and balancing sweetness.
- Coffee or espresso: The robust flavors of coffee make for a wonderful accompaniment, providing a lovely contrast to the sweetness of the vanilla slice.
- Whipped coconut cream: For a dairy-free option, serve with whipped coconut cream. It adds richness without being overwhelming, allowing the vanilla flavor to shine.
- Herbal tea: Offer a calming herbal tea alongside your dessert for a soothing finish. Chamomile or peppermint would be delightful choices!
With these tips and serving suggestions, you’re all set for an unforgettable dessert experience! Enjoy every creamy bite of this luscious Vanilla Slice with Flaky Puff Pastry.

Make Ahead and Storage
This Creamy Vanilla Slice with Flaky Puff Pastry is perfect for meal prep, allowing you to whip up a delightful dessert ahead of time. Whether for a special occasion or simply to indulge yourself, this treat holds up beautifully in the fridge or freezer.
Storing Leftovers
- Store any leftover slices in an airtight container in the refrigerator.
- Enjoy within 3-4 days for the best flavor and texture.
- If possible, separate layers with parchment paper to prevent sticking.
Freezing
- Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe container.
- This dessert can be frozen for up to 2 months.
- Thaw overnight in the refrigerator before serving.
Reheating
- For best results, serve your Vanilla Slice cold as intended; however, if you’d like it warmed, preheat your oven to 350°F (175°C).
- Place the slice on a baking sheet and warm for about 10 minutes until just heated through.
FAQs
Here are some common questions you might have about making this delightful dessert!
Can I use store-bought custard instead of making it?
While homemade custard gives the best flavor and texture, you can use store-bought custard if you’re pressed for time. Just ensure it’s of high quality to complement the flaky pastry.
How do I make Creamy Vanilla Slice with Flaky Puff Pastry gluten-free?
To make this recipe gluten-free, substitute the puff pastry with a gluten-free pastry option available at most grocery stores. Ensure all other ingredients are also gluten-free.
Can I add flavors to my Creamy Vanilla Slice with Flaky Puff Pastry?
Absolutely! You can infuse your custard with different flavors by adding citrus zest or using flavored extracts like almond or hazelnut. Get creative!
Final Thoughts
I hope you find joy in creating this Creamy Vanilla Slice with Flaky Puff Pastry! It’s a dessert that combines elegance with comfort, making it truly special. Whether you’re sharing it at a gathering or enjoying it as a sweet treat after dinner, I’m sure it will bring smiles all around. Enjoy making it and savor every delicious bite!
Creamy Vanilla Slice with Flaky Puff Pastry
Indulge in the delightful Creamy Vanilla Slice with Flaky Puff Pastry, a dessert that effortlessly combines the rich flavors of velvety vanilla custard with the satisfying crunch of flaky pastry. This recipe is perfect for any occasion, whether you’re celebrating with family or simply treating yourself to something sweet. With its elegant presentation and luscious taste, this creamy dessert is sure to impress everyone at the table. Plus, it’s easy enough for novice bakers to master! Prepare it in advance and let it chill for a treat that only gets better over time.
- Prep Time: 25 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 10 minutes
- Yield: Makes approximately 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 2 sheets of puff pastry (thawed)
- ⅔ cup granulated sugar
- ½ cup cornstarch
- ¼ tsp kosher salt
- 3½ cups whole milk (warm)
- 6 large egg yolks (room temperature)
- 1 vanilla bean (or 2 tsp vanilla bean paste)
- 4 Tbsp unsalted butter (cold, cubed)
- Powdered sugar (for dusting)
Instructions
- Preheat oven to 400°F (200°C) and line two baking trays with parchment paper.
- Roll out the puff pastry sheets slightly and prick them with a fork.
- Bake for 35-45 minutes until golden brown; cool completely.
- Trim edges to fit snugly in an 8×8-inch square pan.
- In a saucepan, whisk together sugar, cornstarch, and salt; add egg yolks.
- Warm the milk in another saucepan until steaming, then temper by adding it slowly to the egg mixture.
- Cook over medium heat while whisking until thickened; stir in vanilla seeds and cold butter until smooth.
- Assemble by layering one pastry sheet at the bottom, pouring custard on top, and placing the second pastry sheet on top.
- Cover tightly and refrigerate for at least four hours or overnight before slicing.
Nutrition
- Serving Size: 1 serving
- Calories: 265
- Sugar: 18g
- Sodium: 95mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 0g
- Protein: 4g
- Cholesterol: 125mg