This triple berry pie brings together plump blueberries, tart raspberries, and sweet blackberries in a jammy filling that slices clean every single time. The berries get cooked down first on the stovetop, which concentrates their flavor and keeps the filling from turning soupy. I started making this pie during summer weekends when the farmers market berries were too good to pass up, and now it's the dessert my family asks for most.


If you're craving more fruity baked treats, try this Perfect Peach Pie Recipe | Fresh & Flaky Every Time or these Easy Lace Cookies Recipe | 6 Ingredients, 30 Minutes for a quick sweet fix. And if chocolate's more your thing, this Easy Chocolate Cream Cheese Bundt Cake | 9 Simple Steps is always a hit.
Why This Triple Berry Pie Works
The secret to a perfect Triple Berry Pie from scratch is pre-cooking part of the filling. When you cook down most of the berries with sugar and cornstarch, they release their juices and thicken into a gorgeous jam. Then you stir in fresh berries at the end, so you get both concentrated berry flavor and bright pops of fruit in every bite. The lattice pie crust isn't just pretty, it lets steam escape so the bottom crust stays crisp instead of soggy. This method guarantees clean slices and a filling that's thick, glossy, and bursting with summer flavor.
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Triple Berry Pie Ingredients
Here's what you need to make this summer Triple Berry Pie recipe from scratch.
See Recipe Card Below This Post For ingtedient Quantites
- Pie Crust: Homemade or all butter pie crust forms the base and top. You'll need enough dough for two crusts, one for the bottom and one for the lattice. Starting with cold dough helps create those flaky layers.
- Blueberries: Fresh blueberries add sweetness and a deep purple color. Most of them get cooked down, and a few stay fresh for texture.
- Raspberries: Tart and juicy, raspberries balance the sweetness and add bright flavor. They break down quickly, which helps thicken the filling.
- Blackberries: Sweet with a hint of earthiness, blackberries round out the berry trio. They hold their shape a bit better than raspberries.
- Granulated sugar: Sweetens the filling and helps the berries release their juices. You can adjust this slightly if your berries are extra sweet.
- Cinnamon: Just a pinch of ground cinnamon adds warmth without overpowering the berries.
- Cornstarch: Thickens the filling into a jammy, sliceable consistency. It works better than flour for fruit pie filling because it stays clear and glossy.
- Lemon juice: Fresh lemon juice brightens the berry flavor and balances the sweetness. It also helps activate the cornstarch.
- Lemon zest: Adds a subtle citrus note that makes the berries taste even more vibrant.
- Vanilla extract: Pure vanilla extract deepens the flavor and ties everything together.
- Egg wash: One beaten egg mixed with milk gives the crust a beautiful golden shine.
- Coarse sugar (optional): Sprinkling coarse sugar on top adds a sweet crunch and a professional bakery look.
How to Make Triple Berry Pie
Follow these steps to make a perfect Triple Berry Pie with a thick, jammy filling.
Prepare the crust: Make your pie crust recipe and chill the dough for at least 2 hours. You'll need both discs, one for the bottom and one for the lattice top.
Start the filling: Set aside ½ cup of each type of berry in a bowl. Put the rest (2 and ½ cups blueberries, 1 cup raspberries, 1 cup blackberries) in a medium saucepan with the sugar and cinnamon. Cook over medium heat, stirring often, until the berries start to release their juice and soften, about 4 to 5 minutes.
Thicken the filling: In a small bowl, whisk together the cornstarch and lemon juice until smooth. Scoop out 3 to 4 tablespoons of the warm berry juice and whisk it into the cornstarch mixture. Pour this back into the saucepan and stir well. Keep cooking and stirring occasionally until the mixture thickens and looks jam-like, about 6 to 7 minutes, or until it reaches 185°F on an instant-read thermometer. Take the pan off the heat and stir in the reserved fresh berries, lemon zest, and vanilla. Let it cool for 20 minutes.

Preheat oven: Move an oven rack to the lower third position and preheat to 425°F. Place a baking sheet on the bottom rack to catch any drips.
Roll bottom crust: Roll one chilled dough disc into a 12-inch circle on a lightly floured surface. Gently transfer it to a 9-inch pie dish and press it into the corners. Pour in the berry filling and place the whole pie in the fridge while you work on the top.

Prepare lattice top: Roll the second dough disc into a 12-inch circle. Use a pastry wheel, sharp knife, or pizza cutter to cut about 10 strips, each about 1 inch wide. Weave the strips over the filling in a lattice pattern. Trim the edges, seal them together, and crimp or flute the edges. Brush the lattice with egg wash and sprinkle with coarse sugar if you're using it.

Bake: Bake at 425°F for 20 minutes. Without opening the oven, reduce the temperature to 375°F. Place a pie crust shield over the edges. Continue baking for 45 to 55 minutes, until the filling is bubbling all over and the internal temperature reaches 200°F. If the top starts browning too fast, loosely tent it with foil.
Cool completely: Take the pie out of the oven and let it cool on a rack for at least 5 hours before slicing. This step is really important. If you cut into it while it's warm, the filling will be too liquidy.
Storage: Cover leftovers and keep them in the fridge for up to 5 days. The pie tastes great cold or at room temperature.
Substitutions and Variations
Frozen berries: You can use frozen berries if fresh aren't available. Don't thaw them first, just add an extra 2 to 3 minutes to the stovetop cooking time. The filling might be a bit more liquidy, so add an extra tablespoon of cornstarch.
Different berries: Swap in strawberries (cut into quarters) or cherries (pitted). You can also make a single-Triple Berry Pie if that's what you have on hand.
Sugar adjustment: If your berries are very tart, add an extra 2 tablespoons of sugar. If they're super sweet, reduce the sugar by 2 tablespoons.
Tapioca instead of cornstarch: Use ¼ cup of instant tapioca instead of cornstarch. Let the filling sit for 15 minutes before adding it to the crust.
Solid top crust: Skip the lattice and use a full top crust with a few slits cut in the center for steam.
Equipment For Triple Berry Pie
You'll need a glass mixing bowl for combining ingredients and a silicone spatula for stirring the filling. A 9-inch pie dish is the standard size for this recipe. A rolling pin helps you roll out the dough evenly, and a pastry wheel, sharp knife, or pizza cutter is perfect for cutting lattice strips. Use a zester for the lemon zest and a citrus juicer for the lemon juice. A pastry brush spreads the egg wash, and a pie crust shield or aluminum foil protects the edges from burning. An instant-read thermometer tells you when the filling is done. Let the pie cool on a cooling rack, and keep that baking sheet on the bottom oven rack to catch any drips.
Storage and Make-Ahead Tips
Room temperature: Let the Triple Berry Pie cool completely, then cover it loosely with foil or plastic wrap. It can sit at room temperature for up to 2 days.
Refrigerator: Store covered Triple Berry Pie in the fridge for up to 5 days. The filling stays thick and slices cleanly even after a few days.
Freezer: You can freeze a baked Triple Berry Pie for up to 3 months. Wrap it tightly in plastic wrap and then foil. Thaw it in the fridge overnight and warm individual slices in a 350°F oven for 10 minutes.
Make-ahead filling: Cook the berry filling up to 1 day ahead and keep it in the fridge. Just let it come to room temperature before filling the crust.
Unbaked pie: Assemble the whole Triple Berry Pie, cover it tightly, and freeze it unbaked for up to 2 months. Bake from frozen, adding 15 to 20 extra minutes to the baking time.
Expert Tips
- Use room temperature filling: You can add the filling to the crust while it's still slightly warm. It doesn't need to be completely cool, which saves time.
- Check the internal temperature: The filling should reach 200°F in the center. This guarantees it's thick enough to slice cleanly.
- Don't skip the cooling time: I know it's hard to wait, but letting the Triple Berry Pie cool for at least 5 hours is the secret to clean slices. The filling needs time to set up.
- Prevent a soggy bottom: Baking on the lower oven rack and using a preheated baking sheet underneath helps the bottom crust crisp up.
- Lattice doesn't have to be perfect: Even if your lattice is wonky or tears a bit, it'll still look homemade and delicious. Just patch it with dough scraps and keep going.
FAQ
What is Dolly Parton's favorite pie?
Dolly Parton has mentioned that she loves a good fruit pie, especially ones made with fresh berries or peaches. She's also a big fan of classic Southern pies like pecan pie and sweet potato pie.
What is the best thickener for Triple Berry Pie?
Cornstarch is the best thickener for Triple Berry Pie filling because it creates a clear, glossy filling that slices cleanly. Tapioca is another great option if you prefer a slightly softer set. Flour can work but tends to make the filling cloudy and less smooth.
How to keep berry pie from being runny?
Pre-cook the berries with cornstarch on the stovetop before filling the crust. This lets the filling thicken properly and guarantees clean slices. Also, make sure to cool the pie completely before cutting, at least 5 hours. Cutting it too soon releases all the juices.
What is the secret to a perfect pie filling?
The secret is balancing the right amount of thickener, not overfilling the crust, and letting the Triple Berry Pie cool completely. Pre-cooking the filling also helps concentrate the fruit flavor and prevents a watery texture. Always taste your fruit first and adjust the sugar if needed.
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Triple Berry Pie
Ingredients
Method
- Prepare the pie dough according to your chosen recipe through the chilling stage, making sure both discs are fully cold and ready to roll.
- Measure out about half a cup of each berry and set them aside in a bowl for later.
- Place the remaining berries into a saucepan over medium heat, add the sugar and cinnamon, and cook while stirring until the fruit begins to release plenty of juice.
- In a small bowl, stir the cornstarch with the lemon juice, then spoon in a few tablespoons of the hot berry liquid and whisk until completely smooth.
- Pour the cornstarch mixture into the saucepan and continue cooking, stirring occasionally, until the filling simmers and thickens to a jam-like consistency.
- Take the pan off the heat and fold in the reserved berries, lemon zest, and vanilla, then let the mixture cool at room temperature for about 20 minutes.
- Move an oven rack to the lower third of the oven, preheat to 425°F (218°C), and set a baking sheet on the bottom rack to catch any drips.
- Roll out one disc of dough on a floured surface into a 12-inch circle and gently fit it into a 9-inch pie dish, smoothing it into the corners.
- Spoon the slightly warm filling into the crust and place the pie in the refrigerator while you work on the top crust.
- Roll out the second disc of dough into another 12-inch circle, cut it into even strips, and weave them over the pie to create a lattice, then trim and crimp the edges.
- Brush the lattice and edges with the egg wash and sprinkle with coarse sugar if using.
- Bake the pie at 425°F for 20 minutes, then reduce the oven temperature to 375°F (190°C), shield the edges, and continue baking until the filling is bubbling all the way to the center.
- Remove the pie from the oven, set it on a rack, and let it cool completely for at least 5 hours before slicing so the filling can fully set.













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