Prepare yourself for an extraordinary culinary experience with this Triple Berry Rhubarb Pie! This exceptional dessert features a luscious, vibrant filling of mixed berries and tart rhubarb, perfectly complemented by a delightful, buttery streusel topping. It’s truly one of the finest pies you’ll ever bake and taste.
If you’ve never had the pleasure of experiencing how rhubarb can elevate a fruit pie, now is your moment. Seek out some fresh rhubarb and embark on the journey of creating this phenomenal berry rhubarb pie. Its unique blend of sweet and tart flavors, combined with a comforting streusel, makes it an unforgettable treat.

The Ultimate Triple Berry Rhubarb Filling
Inspired by the beloved strawberry rhubarb pie, this recipe takes a delightful twist by swapping strawberries for a dynamic triple berry blend. We’ve fine-tuned the other ingredients to perfectly balance the new flavor profile, ensuring a filling that is both bursting with fruitiness and wonderfully cohesive.
For this pie, you have the flexibility to use either a frozen or fresh blend of triple berries. A crucial tip: if you’re opting for frozen berries, do not thaw them. Using them frozen helps maintain their structure and prevents a watery filling, contributing to that desirable thick, syrupy consistency.
My personal recommendation for the ultimate triple berry blend includes plump blueberries, vibrant raspberries, and rich blackberries. Each berry brings its unique sweetness and tartness, creating a complex and harmonious flavor symphony that truly sets this pie apart.
Rhubarb is typically in season from April through June or even July, offering a wonderful window to enjoy its unique tartness. While fresh rhubarb might sometimes be a bit elusive in standard grocery stores (larger chains like Whole Foods and Albertsons are often good starting points), don’t hesitate to check local farmers’ markets or even inquire among family and friends. You might be pleasantly surprised to discover a flourishing rhubarb plant tucked away in a neighbor’s garden!

Crafting the Golden Streusel Topping
No pie is complete without the perfect topping, and for this Triple Berry Rhubarb Pie, a rich, buttery streusel is the ideal crown. This simple yet utterly delicious combination of all-purpose flour, light brown sugar, and cold butter comes together quickly and effortlessly. The key to a fantastic streusel lies in using cold butter and cutting it into the dry ingredients until coarse crumbs form. This technique ensures a wonderfully tender yet slightly crisp topping that bakes to a beautiful golden hue, providing a delightful textural contrast to the soft, juicy fruit filling.
Assembling Your Masterpiece: Triple Berry Rhubarb Pie
Bringing this pie together is surprisingly straightforward, even for novice bakers. The steps are simple and designed for success, leading you to a gorgeous, homemade pie ready for the oven.
- First, take your single pie crust and carefully roll it out. Gently transfer it into a 9-inch pie plate, ensuring it fits snugly. Trim any excess dough from the edges and then flute them decoratively. This not only adds to the pie’s visual appeal but also helps contain the delicious filling.
- Next, evenly spread the prepared, vibrant triple berry and rhubarb filling into the waiting pie crust. Ensure the fruit is distributed well for a balanced flavor in every slice.
- Finally, generously sprinkle your freshly made streusel topping over the entire surface of the fruit filling. Be mindful not to cover the fluted edges of the pie crust entirely, allowing them to brown beautifully during baking.
The streusel topping is not just for taste; it also contributes to the pie’s rustic charm and provides an appealing texture that contrasts wonderfully with the soft, fruit-filled interior. Its creation is quick and easy, making it the perfect final touch for this sweet and tart dessert.

Baking for Perfection: Critical Timing and Tips
Baking this triple berry rhubarb pie to perfection requires careful attention to time and visual cues. Place your assembled pie on a foil-lined baking sheet – this simple step is a lifesaver for catching any potential drips and keeping your oven clean. Bake the pie for approximately 70-75 minutes.
It is absolutely crucial to bake this pie long enough. Overlooking this step can result in a runny, disappointing filling. The tell-tale sign of a perfectly baked pie is a filling that is vigorously bubbling and appears very thick and syrupy. If the bubbles look thin and watery, do not despair! Simply continue baking, even if it means extending the time beyond the initial 75 minutes. Trust your eyes and the consistency of the filling more than the clock alone.
During the baking process, keep an eye on the streusel and the edges of your pie crust. If they begin to brown too quickly, lightly tent the pie with aluminum foil. A pie crust shield can also be incredibly useful to prevent over-browning of the delicate crust edges while ensuring the filling cooks thoroughly.
And while the aroma of a warm, freshly baked pie is undeniably irresistible, exercising patience is key. Allowing the pie to cool completely is essential for the filling to set up perfectly, guaranteeing clean, beautiful slices. If you simply can’t wait for that warm pie experience, individual slices can be gently warmed for a few seconds in the microwave just before serving!
This Triple Berry Rhubarb Pie is a harmonious blend of tart and sweet, bursting with vibrant, juicy flavors. It’s a dessert that truly awakens the palate with its refreshing tang and satisfying richness.
The experience is elevated to an absolutely extraordinary level when served with a generous scoop of creamy vanilla ice cream. The gentle, cool sweetness of the ice cream provides the perfect counterpoint, beautifully balancing out the deliciously sharp and intense burst of flavor from the mixed berries and rhubarb. This classic pairing is more than just a serving suggestion; it’s a sublime culinary embrace.
Honestly, the sheer joy of enjoying a slice of triple berry rhubarb pie with ice cream is practically the only reason I lovingly tend to my sometimes-rogue rhubarb plant, coaxing it back to lush, civilized growth every single spring. It’s a reward well worth the effort.
While I’ve always cherished strawberry rhubarb pie and wouldn’t turn my back on it anytime soon, I must confess, this triple berry rhubarb pie has captured my heart. Given the choice, I would confidently select this vibrant, flavor-packed pie over almost any other. It is, quite simply, fantastic!

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Triple Berry Rhubarb Pie
Pin Recipe
Ingredients
- Single crust pie dough
Filling:
- 3 cups (400-450 g) triple berry blend, fresh or frozen (don’t thaw if frozen)
- 2 cups (240-250 g) sliced rhubarb (about 1/4-inch thick)
- ⅔ cup (141 g) granulated sugar
- ¼ cup (30 g) cornstarch
Streusel:
- ¾ cup (107 g) all-purpose flour
- ⅓ cup (71 g) packed light brown sugar
- 6 tablespoons (85 g) cold butter
Instructions
-
Preheat the oven to 375 degrees F.
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In a large bowl, combine the berries, rhubarb, sugar and cornstarch. Mix well. The mixture will start to turn thick and syrupy as it is stirred.
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Roll out the pie crust and place in a 9-inch pie plate, trimming and fluting the edges.
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Pour the berry/rhubarb mixture evenly into the crust. In a small bowl, combine the flour and brown sugar for the streusel.
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Add the cold butter to the flour/sugar mixture. Using a pastry cutter or two knives, cut in the butter until the mixture resembles coarse crumbs.
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Sprinkle the streusel topping evenly over the top of the pie filling, ensuring it covers the fruit but not the edges of the pie crust.
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Place the pie on a foil-lined baking sheet (to catch any drips) and bake for 70-75 minutes, or until the streusel is golden brown and the filling is actively bubbling thick and syrupy. If the pie crust edges or streusel start to brown too much before the filling is ready, lightly tent the pie with foil or use a pie crust shield.
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Let the pie cool completely before slicing and serving (the filling will continue to thicken as it cools). Serve with a scoop of vanilla ice cream or sweetened whipped cream, if desired, for an exquisite dessert experience.
Notes
Pie Crust: My favorite homemade pie crust recipes are this one or this one. A good quality store-bought crust can also be used for convenience.
Triple Berry Blend: For the best flavor and texture, I highly recommend using a blend of blueberries, raspberries, and blackberries. This combination offers a delightful balance of sweetness and tartness.
Calories: 270kcal,
Carbohydrates: 48g,
Protein: 2g,
Fat: 9g,
Saturated Fat: 5g,
Cholesterol: 23mg,
Sodium: 73mg,
Fiber: 2g,
Sugar: 31g
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Recipe Source: Adapted from Mel’s Kitchen Cafe
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