Experience the sheer delight of a homemade dessert with minimal effort thanks to this incredible Blueberry Slab Pie recipe. It’s a beautifully simple, exceptionally flavorful, and wonderfully versatile treat, perfect for any gathering or a sweet escape at home. If you adore the classic taste of blueberry pie, prepare to fall in love with its convenient, crowd-pleasing cousin.

Are you craving the comforting taste of a homemade dessert but find yourself short on time or intimidated by complex recipes? This Easy Blueberry Slab Pie is your perfect solution. Crafted with readily available refrigerated pie crusts, bursting with fresh blueberries, and requiring just a handful of staple ingredients, it delivers all the warmth and flavor you’d expect from a traditional pie, and then some!

Discover the Magic of Blueberry Slab Pie
There’s something uniquely comforting about a slice of pie, and for many, it surpasses even the most elaborate cakes. But let’s be honest, making a traditional pie from scratch – from mixing the dough to rolling it out perfectly – can be a time-consuming endeavor. That’s where the genius of this Blueberry Slab Pie comes in. Designed for those who want to create an impressive, delectable dessert without spending hours in the kitchen, this recipe is incredibly straightforward. It combines the juicy sweetness of fresh blueberries with the convenience of pre-made pie crust, resulting in a winning combination that’s hard to resist.
A slab pie, also known as a sheet pan pie, takes the beloved concept of a classic pie and transforms it into a rectangular, often larger, format. Baked in a sheet pan, it’s ideal for feeding a crowd, making it a fantastic choice for potlucks, family gatherings, or holiday celebrations. The increased surface area means more crispy crust, and its rectangular shape makes slicing and serving a breeze, offering perfectly portioned pieces every time. It’s all the deliciousness of pie, simplified and scaled up.

Prepare to delight everyone at your table with this flavorful dessert. Its vibrant blueberry filling and golden, flaky crust are sure to impress even the most discerning pie enthusiasts. It’s a testament to how easy homemade can be, promising fresh, authentic taste that will leave everyone craving another slice.




Why This Blueberry Sheet Pan Pie Will Become Your Favorite
There are countless reasons why this Blueberry Slab Pie will earn a permanent spot in your recipe collection:
- Irresistible Flavor Profile: Each bite offers the perfect balance of sweet and tart, showcasing the natural deliciousness of blueberries. If you’re a connoisseur of fruit fillings, this pie’s rich and comforting taste will truly captivate you. The hint of cinnamon and lemon brightens the fruit, creating a symphony of flavors that is both classic and refreshing.
- Remarkably Simple to Prepare: Say goodbye to complicated baking projects. This recipe prioritizes ease without sacrificing quality. Using refrigerated pie crusts eliminates the most time-consuming step of pie making, allowing you to assemble this dessert quickly. It’s perfect for busy weeknights or when you need a fantastic dessert in a pinch.
- Effortless Customization: While the basic recipe is phenomenal, it also serves as a fantastic canvas for your culinary creativity. Feel free to experiment with toppings or additional flavors. My personal favorite is serving it warm with a generous dollop of freshly whipped cream, or a scoop of vanilla bean ice cream, to add a luxurious touch that elevates the experience even further.
- Feeds a Crowd with Ease: Unlike round pies that yield fewer slices, a slab pie is designed to serve more people efficiently. Its rectangular shape means uniform slices, making it an excellent choice for parties, picnics, or family dinners where everyone deserves a generous piece.
- Visually Stunning: Despite its simplicity, a well-made slab pie with a beautiful lattice top (which is surprisingly easy to create with pre-made crusts!) looks incredibly professional and appealing. It’s a dessert that tastes as good as it looks.

Essential Sheet Pan Pie Ingredients
Crafting this delightful Blueberry Slab Pie requires a concise list of ingredients, most of which you likely already have on hand:
- Refrigerated Pie Crusts: The ultimate time-saver! You’ll need three boxes of these pre-made, rolled-out crusts. They provide a consistently flaky and buttery base without the fuss of preparing dough from scratch. Ensure they are thawed according to package directions before use.
- Fresh Blueberries: The star of the show! Five cups of fresh, plump blueberries are essential for a robust and flavorful filling. Be sure to wash them thoroughly and pat them dry to prevent excess moisture from making the filling too runny.
- Granulated Sugar: Sweetens the filling, balancing the natural tartness of the blueberries. Adjust the amount to your preference or the sweetness of your berries.
- Cornstarch: A crucial thickening agent for the blueberry filling. It helps achieve that perfect, jam-like consistency, preventing a watery pie.
- Ground Cinnamon: A warm, aromatic spice that beautifully complements the sweetness of blueberries, adding depth and a cozy hint of flavor.
- Kosher Salt: A pinch of salt enhances all the other flavors, bringing out the best in the fruit and spices.
- Fresh Lemon Juice: This vibrant ingredient brightens the blueberry flavor and adds a touch of zesty tang, preventing the pie from being overly sweet. It also helps preserve the berries’ color.
- Large Egg (beaten): Used for the egg wash on the top crust, contributing to a beautiful golden-brown, shiny finish.
- Large Egg White (beaten): Used as a protective layer on the bottom crust, helping to prevent sogginess.
- Coarse Sanding Sugar (optional): Sprinkled over the top crust before baking, it adds a delightful sparkle and a pleasant crunch, making the pie look and taste extra special.

Slab Pie Recipe Variations to Explore
While this Blueberry Slab Pie is perfect as is, it’s also wonderfully adaptable. Here are a few exciting ways to customize your creation:
- Alternative Fruit Fillings: Don’t limit yourself to blueberries! This recipe works beautifully with other fruits. Experiment with cherry, raspberry, blackberry, peach, or a mix of your favorites. A combination of berries, like blueberries and raspberries, creates a delightful medley of flavors and colors.
- Streusel Topping: For a different texture, skip the lattice and opt for a crumbly streusel topping. Combine flour, sugar, cold butter, and a pinch of cinnamon until crumbly, then sprinkle generously over the blueberry filling before baking.
- Chocolate Drizzle: For the ultimate indulgence, consider a chocolate Blueberry Slab Pie. Once the pie has cooled slightly, drizzle melted dark or white chocolate over the top. The rich notes of chocolate pair surprisingly well with the sweet and tart blueberries and the buttery crust.
- Spiced Up: Enhance the spice profile by adding a tiny pinch of nutmeg or cardamom to the blueberry filling alongside the cinnamon. These spices add a sophisticated depth of flavor.
- Lemon Zest Boost: For an even brighter, more intense lemon flavor, add some finely grated lemon zest to the blueberry filling along with the lemon juice. This will amplify the citrus notes beautifully.
- Nutty Crust: Incorporate finely chopped almonds or pecans into your bottom crust dough (if making from scratch) or sprinkle them over the top crust before baking for added texture and flavor.

Blueberry Slab Pie Expert Tips & Notes
Achieving a perfect Blueberry Slab Pie is simple with these helpful pointers:
- Cornstarch vs. Flour: If cornstarch is unavailable, all-purpose flour can serve as an effective substitute for thickening the blueberry filling. Use 2 tablespoons of flour for every 1 tablespoon of cornstarch recommended. The flour will achieve a similar thick consistency.
- Adjusting Filling Thickness: For a slightly thinner, lighter pie, reduce the amount of blueberries from five cups to four. This small adjustment can alter the fruit-to-filling ratio to your preference.
- The Magic of Egg Wash: Don’t skip the egg wash! Brushing the top crust with a beaten egg (or egg yolk for extra richness) before baking is key to achieving a beautiful, golden-brown, and flaky crust. It also helps the coarse sanding sugar adhere perfectly, adding a lovely sparkle and crunchy texture.
- Preventing a Soggy Bottom: The egg white brushed on the bottom crust acts as a barrier against moisture from the filling, helping to ensure your crust remains delightfully crisp. Additionally, ensuring your blueberries are well-drained and not overly wet contributes to a firmer bottom crust.
- Don’t Overfill: While it’s tempting to cram in as much filling as possible, stick to the recommended amount. Overfilling can lead to spills during baking and a soggy crust.
- Cooling is Crucial: Allow the pie to cool sufficiently before slicing. This allows the filling to set properly, preventing it from running out when cut. Patience truly pays off here for clean, beautiful slices.
- Even Baking: Rotating the pan halfway through baking can help ensure an evenly browned crust. If you notice the edges browning too quickly, use foil to shield them.

Frequently Asked Questions About Blueberry Slab Pie
Here are answers to some common questions about making this fantastic slab pie:
Can I use a mixture of fruit for this recipe?
Absolutely! This recipe is incredibly versatile. Feel free to combine blueberries with other berries like raspberries, blackberries, or even sliced strawberries to create a unique and flavorful mixed fruit slab pie. Just ensure the total quantity of fruit remains consistent, and adjust sugar levels if some fruits are significantly more tart or sweet.

Is it safe to use canned pie filling instead of fresh blueberries?
Yes, you can use canned blueberry pie filling for a shortcut, but be aware that it will significantly alter the taste and texture of the final product. Canned fillings often contain added sugars and artificial thickeners, which can result in a less fresh and vibrant flavor. The crust may also not turn out as crisp, as canned fillings tend to be wetter. For the best flavor and texture, preparing the filling from scratch with fresh blueberries is highly recommended.

What’s the best way to slice this pie?
For perfectly neat and even slices, a pizza cutter is your best friend. Its rolling blade cuts through both the crust and the filling with ease, helping you get as many servings as possible from your slab pie. If you don’t have a pizza cutter, a large, sharp chef’s knife will also work well. Remember to allow the pie to cool slightly before slicing for the cleanest cuts.
Can I use frozen blueberries?
Yes, you can! If using frozen blueberries, do not thaw them first. Toss them directly with the sugar, cornstarch, and spices. You may need to add an extra tablespoon of cornstarch to account for the additional moisture released by frozen berries. Also, baking time might be slightly longer, so look for a bubbly filling and golden crust.
How do I know when the pie is done baking?
The pie is typically done when the crust is beautifully golden brown, and the blueberry filling is visibly bubbly, especially in the center. If you see the filling bubbling through the lattice, that’s a great sign it has thickened and cooked through. You can also carefully insert a thin knife or skewer into the filling; if it comes out mostly clean, it’s ready.

How to Store and Freeze Blueberry Slab Pie
Proper storage ensures your delicious slab pie stays fresh and enjoyable for longer:
- Room Temperature: If planning to serve within 2 days, you can loosely cover the pie with plastic wrap or aluminum foil and store it at room temperature. This helps maintain the crispness of the crust.
- Refrigerator: For extended freshness, store the pie in the refrigerator for up to 5 days. Ensure it is tightly covered to prevent it from drying out or absorbing other food odors.
- To Freeze: Blueberry slab pie freezes beautifully. Tightly wrap the cooled pie (either whole or in individual slices) in plastic wrap, then an additional layer of aluminum foil. Place it in a freezer-safe bag or airtight container. It can be stored in the freezer for up to 3 months.
- Thawing and Reheating: To thaw, simply transfer the frozen pie to the refrigerator overnight, or let individual slices come to room temperature for a few hours. If desired, you can reheat slices in a preheated oven at 350°F (175°C) for 10-15 minutes until warmed through, which can help crisp up the crust again.

More Delicious Pie Recipes You Will Love
If you’ve enjoyed this Blueberry Slab Pie, you might want to explore other incredible pie creations:
Chocolate Cream Pie
Old Fashioned Coconut Cream Pie
Old Fashioned Banana Cream Pie
Blueberry Slab Pie
Enjoy the incredible taste of an easy to prepare dessert with this Blueberry Slab Pie recipe. It’s fun, simple, and super tasty, making it great for any time of the year.
Pin Recipe
Share Recipe
Ingredients
- 3 refrigerated ready-made pie crusts
- 5 cups fresh blueberries
- ¾ cup granulated sugar
- 4 Tablespoons cornstarch
- ½ teaspoon ground cinnamon
- ¼ teaspoon kosher salt
- 1 Tablespoon fresh lemon juice
- 1 large egg white, beaten
- 1 large egg, beaten
- Coarse sanding sugar (optional)
Instructions
- Preheat the oven to 425℉ (220°C). Move the oven rack to the lower third of the oven.
- Take the refrigerated pie crusts out of the refrigerator but keep them in their plastic sleeves to thaw slightly.
- In a large mixing bowl, gently combine blueberries, granulated sugar, cornstarch, ground cinnamon, kosher salt, and fresh lemon juice. Fold the ingredients carefully to avoid crushing the blueberries. Set the filling aside.
- Lightly flour a clean work surface. Unroll two thawed pie crusts and carefully stack them on top of each other.
- Using a large rolling pin, roll the stacked dough into a rectangle approximately 17”x14” (43cm x 35cm).
- Carefully transfer the rolled dough to a quarter sheet pan (approximately 13×9 inches or 33×23 cm) and press the crust into the corners and up the sides of the pan, allowing any excess dough to hang over the edges.
- Brush the flat bottom part of the crust within the pan with the beaten egg white. This helps prevent a soggy bottom.
- Pour the blueberry filling evenly into the prepared crust in the pan. Set aside.
- Roll out the third pie crust until it is about 12-inches (30cm) in diameter. Using a pastry cutter, pizza wheel, or a sharp knife, cut 14 strips, each about ½-inch (1.25cm) wide.
- Begin constructing the lattice top: Lay seven strips of pie crust across the pan, starting with the longest strip and placing it diagonally from one corner to the opposite. The strips should overlap slightly or nearly touch the edges of the pan.
- Fold back every other strip of dough. Lay another piece diagonally across the pan in the opposite direction. Unfold the original strips over the new one. Repeat this process, folding back the alternate strips, laying a new strip, and unfolding, until you’ve used all 14 strips to form a beautiful lattice design.
- Trim any excess dough from the lattice and bottom crust overhang. Roll the crust edges toward the center of the pan, creating an even, decorative border and securely concealing all the ends of the pie crust strips.
- Brush the entire top crust (including the lattice) with the beaten egg and generously sprinkle with coarse sanding sugar (if using).
- Bake for about 30 minutes at 425℉ (220°C). Then, loosely place a piece of aluminum foil over the pie to prevent the crust from over-browning. Reduce oven temperature to 375°F (190°C) and bake for an additional 20-30 minutes, or until the crust is golden brown and the blueberry filling is bubbly and thick.
- Allow the pie to cool on a wire rack for at least 30-60 minutes before slicing and serving. This allows the filling to set properly. Serve warm or at room temperature.
Did you make this recipe?
Make sure to follow on Pinterest for more recipes and share your creations with us!
Pin Recipe
Share on Facebook