Puff Pastry Vanilla Custard Cream Squares – Kremsnite
There’s something wonderfully satisfying about preparing a simple dessert from scratch after a long day. Puff Pastry Vanilla Custard Cream Squares, also known as Kremsnite, are just the treat you need for relaxed weeknights or weekend gatherings. They offer comfort with their smooth custard filling nestled between flaky pastry layers. This dessert shines during quiet moments or festive occasions alike. Let’s dive into this straightforward recipe that invites everyone to enjoy a touch of indulgence.
Why You’ll Love This Puff Pastry Vanilla Custard Cream Squares
These Puff Pastry Vanilla Custard Cream Squares are a delightfully easy dessert that provides reliable satisfaction with every bite. The creamy custard flavor perfectly balances the light, flaky layers, making for a comforting treat. Their practical nature allows for flexible serving, whether for family meals or as a sweet snack. You’ll find that this recipe is a wonderful addition to your collection, combining ease with comforting flavors.
Kitchen Tools You’ll Need
- Baking sheet
- Mixing bowls
- Whisk
- Saucepan
- Rubber spatula
- Sifter
Ingredients
- 1 sheet frozen puff pastry, thawed (adds a light, flaky texture)
- 1 cup whole milk (provides moisture and creaminess)
- 1/2 cup granulated sugar (sweetens the custard)
- 2 tablespoons cornstarch (thickens the custard)
- 2 large egg yolks (creates a rich texture)
- 1 teaspoon pure vanilla extract (enhances flavor)
- 1 cup heavy whipping cream (adds richness and stability)
- Powdered sugar for dusting (optional, adds a touch of sweetness)

How to Make Puff Pastry Vanilla Custard Cream Squares
Step 1. Preheat your oven according to your puff pastry package instructions. Roll out the thawed puff pastry and lay it flat on a baking sheet. Use a fork to poke holes in the surface, which prevents it from puffing too much during baking. Look for a lightly golden color when it’s done, around 15-20 minutes, and let it cool once out of the oven.
Step 2. In a saucepan, combine the whole milk, granulated sugar, and cornstarch. Stir well to dissolve the cornstarch completely. Place the saucepan over medium heat, and keep stirring until the mixture thickens and starts to bubble gently. You want a creamy, smooth consistency before moving on.
Step 3. Remove the saucepan from the heat and carefully whisk in the egg yolks one at a time, followed by the pure vanilla extract. This step incorporates the yolks, enriching the custard, and ensuring a uniform flavor throughout the mixture. Stir until everything is fully combined, and the custard feels thick and velvety.
Step 4. Let the custard cool slightly before transferring it to a bowl. Cover the surface directly with plastic wrap to prevent a skin from forming. Allow it to chill in the refrigerator until it’s set and completely cool, about 1-2 hours. This step is essential for the custard to firm up properly.
Step 5. While the custard is chilling, whip the heavy whipping cream in a mixing bowl until stiff peaks form. This means when you lift the whisk, the peaks hold their shape nicely. This whipped cream adds lightness to the dessert, complementing the dense custard.
Step 6. Gently fold the chilled custard into the whipped cream using a rubber spatula. Be careful to maintain the volume of the whipped cream while blending these two mixtures together. You’ll know it’s ready when the mixture is smooth and uniform in color, with an airy texture.
Step 7. Take the cooled puff pastry and cut it into squares. Choose uniform sizes for an appealing presentation. You can layer the custard cream mixture between two squares. A generous layer of the cream guarantees a rich experience with each bite.
Step 8. Finally, if you like, dust the top of the squares with powdered sugar for a sweet finishing touch. This adds a slight sweetness and makes the dessert visually appealing. Before serving, let them sit for a few minutes to ensure the layers are neatly intact.

Serving Suggestions
These Puff Pastry Vanilla Custard Cream Squares can be enjoyed in various ways. They make a delightful breakfast treat alongside a cup of coffee or tea. As a snack, they are perfect for sharing with family or friends. They also serve well as a dessert at dinner parties, lending a touch of elegance without seeming overly complicated. If you have leftovers, they are great for a late-night treat, keeping their flavors intact when stored properly.
Pro Tips for Best Results
- Ensure the puff pastry is fully thawed before rolling out to prevent cracks.
- To achieve the perfect custard consistency, keep stirring until it thickens, avoiding any lumps.
- Use fresh vanilla extract for the most flavorful custard.
- Serve the squares shortly after assembling for the best texture.
- Adjust the amount of powdered sugar to your taste preference when dusting.
- Refrigerate leftovers promptly to maintain freshness.
Common Mistakes to Avoid
- Not thawing the puff pastry properly: If the pastry is still partially frozen, it can crack and won’t roll out smoothly. Make sure it’s completely thawed.
- Rush on the custard thickening: Skipping the stirring process can lead to a lumpy texture. Patience is key to achieving that smooth custard.
- Overwhipping the cream: If whipped too long, the cream can turn grainy. Beat it until stiff peaks form, and then stop to prevent this.
- Skipping the chilling step: If the custard isn’t allowed to cool properly, it won’t set. Make sure to let it chill before combining with whipped cream.
- Cutting uneven squares of pastry: This can lead to inconsistent serving sizes and presentation. A ruler or guide can help ensure even cuts.
- Forgetting to dust with powdered sugar: This small detail can elevate the appearance and sweetness of the dessert. It’s worth it for that final touch!
Variations & Substitutions
For a bit of variation, consider adding a fruit layer, like sliced strawberries or raspberries, for a fresh twist. Alternatively, you can infuse the custard with a bit of almond extract for an interesting flavor. You might also consider making mini squares by cutting the pastry into smaller shapes for bite-sized portions at gatherings.
Storage & Reheating
Store any leftover squares in an airtight container at room temperature for a few hours or in the refrigerator for longer, ideally about 1-2 days. If you need to reheat them, place them in a warm oven just until they are slightly warmed through. Avoid the microwave, as it can make the pastry soggy.
Frequently Asked Questions
Can I make this recipe ahead of time?
Yes, you can prepare the custard a day in advance and assemble the desserts shortly before serving. This helps save time when you want to enjoy them fresh.
How long does it last in the fridge?
These squares are best enjoyed within 1-2 days. After that, the puff pastry may lose its crispness, even when refrigerated.
Can I freeze this recipe?
While it’s possible to freeze the puff pastry before baking, the assembled dessert does not freeze well due to the custard’s texture. It’s best enjoyed fresh.
What can I substitute for one ingredient?
For a lighter option, you can use a low-fat milk instead of whole milk, but keep in mind this may slightly alter the creaminess of the custard.
Why didn’t my recipe turn out as expected?
Common issues include not cooking the custard long enough or overwhipping the cream. Ensure to follow the steps carefully for the best results.
Final Thoughts
Making Puff Pastry Vanilla Custard Cream Squares is a simple yet rewarding process that results in a comforting dessert everyone can enjoy. With their delicate, flaky layers and rich filling, they are a gentle reminder that sweetness can be easy and satisfying. Don’t hesitate to bring this recipe into your kitchen for a delightful treat that works well for any occasion.

Puff Pastry Vanilla Custard Cream Squares (Kremsnite)
Ingredients
Main ingredients
- 1 sheet frozen puff pastry, thawed Adds a light, flaky texture
- 1 cup whole milk Provides moisture and creaminess
- 1/2 cup granulated sugar Sweetens the custard
- 2 tablespoons cornstarch Thickens the custard
- 2 large egg yolks Creates a rich texture
- 1 teaspoon pure vanilla extract Enhances flavor
- 1 cup heavy whipping cream Adds richness and stability
- to taste Powdered sugar for dusting Optional, adds a touch of sweetness
Instructions
Preparation
- Preheat your oven according to your puff pastry package instructions. Roll out the thawed puff pastry and lay it flat on a baking sheet. Use a fork to poke holes in the surface.
- Bake until lightly golden, about 15-20 minutes, then let it cool.
Custard Preparation
- In a saucepan, combine the whole milk, granulated sugar, and cornstarch. Stir until the cornstarch is dissolved.
- Place the saucepan over medium heat, stirring until the mixture thickens and bubbles gently.
- Remove from heat and whisk in the egg yolks and vanilla extract until fully combined.
- Let the custard cool slightly, then cover with plastic wrap and chill in the refrigerator for 1-2 hours.
Whipping Cream
- Whip the heavy cream in a mixing bowl until stiff peaks form.
- Gently fold the chilled custard into the whipped cream until smooth.
Assembly
- Cut the cooled puff pastry into squares.
- Layer the custard cream mixture between two squares for each serving.
- Dust with powdered sugar if desired before serving.


