Blueberry Cream Pie

This easy blueberry cream pie recipe is made from scratch with a crisp, flaky, all-butter traditional pie crust, silky vanilla pastry cream, a thick layer of homemade blueberry filling, and a decorative stabilized mascarpone whipped cream topping. Gorgeous, refreshing, and the perfect summer pie for your BBQs or any other celebration.

Best Blueberry Cream Pie Recipe

If you are searching for the best blueberry cream pie recipe made with real ingredients and zero shortcuts, this one delivers. Using my banana cream pie as a base, I swap the banana layer for a layer of vibrant homemade blueberry pie filling that sits on top of the silky, creamy vanilla pastry cream and turns this into a stunning summer showstopper.

Instead of boxed pudding mix, this pie uses my homemade vanilla pastry cream made with eggs, whole milk, and real vanilla. The filling is smooth, rich, and far more flavorful than any instant alternative. The blueberry layer on top uses my quick homemade filling cooked from fresh blueberries, with no canned filling or artificial thickeners. I decorate it with mascarpone whipped cream that holds its shape beautifully in the refrigerator without weeping.

After testing this pie multiple times in my kitchen, I refined every step so that the layers stay defined, the crust stays crisp, and every slice looks as impressive as the whole pie. Keep reading for all my tips that will make this foolproof for you.

Katalin's key take on why homemade blueberry filling makes all the difference

The blueberry layer is what makes this pie special, the same filling I use to make my blueberry delight and blueberry heaven on earth cake. Canned blueberry filling is made with corn syrup and artificial thickeners and tastes overwhelmingly sweet with very little real fruit flavor.

What is the best thickener for blueberry pie filling? Cornstarch is the best thickener for blueberry pie filling, and it's what I use in my homemade version. It thickens quickly on the stovetop, produces a clear, glossy finish that lets the natural color of the blueberries shine through, and sets to a firm, sliceable consistency once cold. Flour can also be used, but it gives a cloudier, starchier result. Tapioca starch is another option, but cornstarch is the most reliable and easiest to work with for a filling like this.

My homemade blueberry filling version uses 4 ingredients: fresh blueberries, sugar, lemon juice, and cornstarch. That is it. You cook it for 10 minutes on the stove, and the result is a deeply flavored, naturally glossy filling with real fruit texture.

One thing I learned from testing this pie specifically: the blueberry filling needs to be cooked to a firmer set than you would use for pancakes or cheesecake topping. A loose filling will spread across the pastry cream when you cut the pie, making it look messy.

The test I always use: drag a rubber spatula through the center of the filling while it is still on the stove. If the gap holds open for two seconds before the filling flows back in, it is ready. If it closes immediately, keep cooking for another minute and test again.

Start with the pie dough

This is a traditional, flaky, all butter pie crust, and the quality of the butter matters. For the best crust texture, start with very cold ingredients. Cold butter prevents the fat from fully blending into the flour, leaving small pockets of butter in the dough. As it bakes, those pockets create steam that forms the flaky layers. Using unsalted butter at 82% fat keeps the crust crisper because higher fat content means less water in the butter, and less steam escaping during baking.

In a large bowl, combine the sifted flour, sugar, and salt, then chill the bowl in the freezer for 5–10 minutes. Cut the butter into small cubes and refrigerate them together with the measured water and vinegar.

Once the ingredients are well chilled, add the butter to the flour and rub it between your fingers until the mixture resembles coarse sand. You want most of the butter broken down to a sand-like texture, but leaving a few pieces about the size of a small ball is completely fine and actually what creates the flakiest texture.

Gradually add the cold water and vinegar, stirring after each addition. Use just enough liquid to bring the dough together so it is evenly hydrated but not sticky.

Transfer the dough to a lightly floured surface and gently press it into a disk without kneading. Kneading develops gluten, which makes the dough tough and causes it to shrink during baking. Wrap it in plastic and refrigerate for at least 2 hours. Resting allows the gluten to relax and the butter to firm up again before rolling.

Try my easy pie dough lamination for extra flaky pie dough

For an even flakier crust, you can apply a quick lamination technique to the chilled dough.

Remove the dough from the refrigerator and let it sit on the counter for a few minutes until slightly pliable but still cold. Roll it into a rectangle on a lightly floured surface.

Fold the left side over the right, then fold the bottom half over the top. Fold it once more in half. This adds multiple layers to the dough, producing a beautifully structured, flaky crust.

Wrap the dough again in plastic and chill for at least 2 hours before using.

How to blind bake the pie crust before filling

Because the fillings are cooked separately (not baked with the pie crust itself), the crust must be fully baked first.

Roll the chilled dough into a 10-inch circle and place it in your 9-inch pie dish. Avoid stretching it into the pan, as any tension in the dough will cause it to pull away from the sides and shrink while baking.

Follow my guide on how to blind bake a pie crust for the full process. Bake until the crust is deep golden brown, not just set and pale. An under-baked crust will soften within hours of being filled.

Allow the crust to cool completely to room temperature before filling.

Make the vanilla pastry cream filling

Vanilla pastry cream is one of the most useful recipes a baker can learn to make. I use it in my chocolate éclairs, Boston cream poke cake, and mille-feuille. It is also the base for German buttercream and Diplomat cream. Every time you make it, you are building a skill that applies to dozens of other desserts.

In a large bowl, whisk the egg yolks and sugar for 1–2 minutes until slightly thickened and pale. Whisk in the sifted cornstarch and flour until smooth, then add the vanilla extract.

Meanwhile, heat the whole milk in a saucepan over medium heat until it begins to simmer. Avoid boiling it.

Slowly pour the warm milk into the egg mixture while whisking constantly to temper the eggs. This gradually raises the yolks' temperature without scrambling them.

Return the mixture to the saucepan and cook over medium heat, whisking continuously. Be sure to scrape the bottom and corners of the pan so the cream cooks evenly without burning. Once the mixture reaches a boil, it will thicken quickly.

Continue whisking for a full minute after the first boil. This is not optional. Stopping too early means the starch is not fully activated, and the pastry cream won't be thick enough.

Remove the saucepan from the heat and fold in the softened butter using a rubber spatula until fully incorporated and the cream is smooth and glossy.

Pour the warm pastry cream into the fully cooled pie crust and smooth the surface with an offset spatula. Press plastic wrap directly onto the surface of the cream to prevent skin from forming. Refrigerate for at least 2 hours until fully set.

While the pastry cream chills, make the blueberry pie filling.

Make the homemade blueberry pie filling

So, prepare the homemade blueberry pie filling. Add the fresh blueberries, water, sugar, and freshly squeezed lemon juice to a saucepan and cook over medium heat for 8–9 minutes, stirring occasionally, until the mixture is bubbling and the blueberries have softened and begun to break down. Do not skip the lemon juice; it brightens the blueberries' flavor and balances the sweetness. If you are using frozen blueberries, skip the water; they release plenty of liquid as they cook.

In a small bowl, mix the cornstarch with water until completely smooth with no lumps. Add a tablespoon of the warm blueberry mixture into the cornstarch slurry and stir to combine. Then, pour the cornstarch mixture back into the saucepan and stir constantly over medium heat for another minute until the filling thickens noticeably and turns glossy.

To check the set, drag a rubber spatula through the center of the filling. If the gap holds open for two seconds before the filling flows back in, it is ready. If it closes immediately, keep cooking for another minute and test again. For this pie specifically, you want a firm set so the layer holds its shape when sliced.

Allow the filling to cool completely to room temperature, then transfer it to the refrigerator until fully cold before assembling the pie. It is important that the filling is fully cold before spreading it over the pastry cream.

Once the pastry cream is set and the filling is cold, spoon or pipe the blueberry filling onto the pastry cream. Refrigerate the assembled pie for another 1–2 hours before adding the topping.

Decorate with mascarpone whipped cream

Just before serving, prepare the mascarpone whipped cream. Place very cold heavy cream, cold mascarpone, and sifted powdered sugar in a bowl and whip with a hand mixer for a few minutes until early stiff peaks form, a soft, pipeable consistency. Avoid using a stand mixer for this step, as it is easy to overwhip cream in one.

The mascarpone is what makes this topping hold so well; it naturally stabilizes the cream, keeping it from separating and holding its shape for up to 48 hours in the refrigerator.

Pipe or spoon the mascarpone cream over the blueberry layer. Optional: scatter a handful of fresh berries over the top to decorate.

Storing & freezing

Store your blueberry cream pie in the refrigerator for up to 2 days. The blueberry filling will gradually release some moisture as it sits against the pastry cream, so for the cleanest slices and the crispest crust, plan to serve it within 24 hours of assembly. Let the pie rest at room temperature for 15–20 minutes before serving for the best texture and flavor.

I do not recommend freezing a fully assembled pie, as the pastry cream changes texture after thawing. However, you can freeze the baked crust for up to 2 months. Once completely cooled, wrap it tightly in plastic wrap and then in aluminum foil to prevent freezer burn. When ready to use, thaw overnight in the refrigerator or at room temperature for about one hour, then bake at 350°F (175°C) for 5–8 minutes to re-crisp it before filling.

The blueberry filling also freezes well on its own for up to 6 months. Thaw overnight in the refrigerator before using.

Flavor variations

Swap the blueberry filling for blackberries, raspberries, or a mixed berry blend. The technique stays exactly the same, just make sure any filling you use is cooked to the same firm set.

For a cream cheese version, replace the vanilla pastry cream with my cream cheese frosting for a tangier filling that pairs beautifully with the blueberry layer. Spread it into the cooled crust, chill until firm, then add the blueberry filling on top as usual.

For a lemon-blueberry cream pie, infuse the pastry cream by heating the milk with the zest of 1 lemon before tempering the eggs. The citrus brightens the vanilla flavor and creates a beautiful contrast with the blueberry layer.

You can also skip the all-butter pie crust entirely and use my graham cracker crust instead, made with just graham crackers and melted butter. It is a great no-roll, no-blind-bake alternative that adds a subtle honey sweetness to the pie.

Ingredient substitutions

For a gluten-free version, prepare the pastry cream with cornstarch only (replace flour with an equal amount of cornstarch) and make your pie crust using gluten-free flour.

As a dairy-free version, the pastry cream can be made with full-fat oat milk or coconut milk and a plant-based butter substitute. For the mascarpone topping, see my guides on heavy cream substitutes and mascarpone substitutes for tested options.

Because substitutions change the fat and water ratios in the recipe, small adjustments to quantities or chilling time may be needed.

Expert tips to make Blueberry Cream Pie

1. Work quickly and keep your hands cold when making the pie dough. If the dough becomes soft or tears at any point, pop it in the freezer for 10 minutes before continuing, as warm butter in the dough means a less flaky crust.
2. Use the freshest, ripest blueberries you can find for the filling. Overripe blueberries release too much liquid during cooking, making the filling harder to set to the right consistency.
3. Farm-fresh or free-range egg yolks yield a more vibrant color pastry cream. Supermarket eggs often result in a paler cream.
4. If the pastry cream develops lumps during cooking, do not panic. Strain it through a fine-mesh sieve immediately while it is still warm and pourable, and they will be gone.
5. Add the mascarpone cream topping as close to serving time as possible for the freshest look.

What equipment to use

Always measure ingredients using a digital scale for the most accurate results.

You will need a hand whisk and a rubber spatula to prepare the pastry cream, and a hand mixer to whip the mascarpone cream.

A rolling pin is needed for rolling out the pie dough.

This recipe uses a standard 9-inch (23 cm) pie dish.

Try some of my other summer desserts

If you enjoyed this blueberry cream pie, here are more recipes to try next:

• Mini Strawberry Pies
• Berry Chantilly Cake
• Raspberry Tiramisu
• Lemon Icebox Cake

For more pies that need no oven at all, check out my roundup of no-bake pies!

Have you tried this recipe?

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