Introduction to Raspberry Rhubarb Slab Pie
Spring is in the air, and what better way to celebrate than with a delicious Raspberry Rhubarb Slab Pie? This delightful dessert perfectly captures the essence of the season, featuring the bright, vibrant colors and flavors of fresh raspberries and tangy rhubarb.
Why is this slab pie the go-to choice for your spring gatherings? First, its large size makes it incredibly shareable, allowing you to serve 24 generous slices at your next brunch or picnic. You can even slice it into smaller pieces for an enticing dessert table! The sweet-tart harmony of the raspberries and rhubarb not only tickles your taste buds but also creates a festive visual that will impress your guests.
Baking is a fulfilling way to bond with loved ones, and this recipe provides an opportunity for everyone to get involved. Plus, with the added touch of a simple vanilla icing drizzled on top, each piece is as beautiful as it is delicious. If you’re looking to connect with made-from-scratch traditions, be sure to check out The Spruce Eats for more inspiration.
Get ready to fall in love with every bite, and bring this enticing Raspberry Rhubarb Slab Pie to your next spring soirée!

Ingredients for Raspberry Rhubarb Slab Pie
Essential ingredients for a delicious slab pie
When crafting your Raspberry Rhubarb Slab Pie, it all starts with a few essential ingredients that combine to create a flavorful and delightfully textured treat. Here’s what you need:
- All-purpose flour: 3-¼ cups for the perfect flaky crust.
- Butter: 1 cup, helping to achieve that rich, tender dough.
- Sugar: 2 cups for sweetness, balancing the tart rhubarb.
- Rhubarb: 3 cups, sliced, for that classic tangy flavor.
- Raspberries: 5 cups, fresh or frozen, offering a lovely burst of flavor.
Optional ingredients for enhanced flavor
To elevate your Raspberry Rhubarb Slab Pie, consider adding a few optional ingredients:
- Cornstarch: ⅓ cup will help thicken your fruit filling nicely.
- Vanilla extract: A ½ teaspoon can add a subtle depth to the flavor.
- Milk: Use additional milk for the crust or to drizzle if you opt for icing.
These extra touches can take your pie from good to unforgettable! Looking for more tips on using fresh produce? Check out resources like Eat Fresh for seasonal ingredient guidance.
Preparing Raspberry Rhubarb Slab Pie
If you’re looking to impress at your next gathering or simply want to indulge in a slice of something deliciously homemade, preparing a Raspberry Rhubarb Slab Pie is a fabulous choice. With its sweet-tart filling and buttery crust, it’s sure to delight both friends and family alike. Let’s dive right in and get started!
Gather your ingredients and tools
Before we jump into the making process, it's crucial to have everything at hand. Here’s what you’ll need:
Ingredients:
- 3-¼ cups all-purpose flour
- 1 teaspoon salt
- 1 cup butter
- ¾ cup plus 1 to 2 tablespoons 2% milk
- 1 large egg yolk
- 2 cups sugar
- ⅓ cup cornstarch
- 5 cups fresh or frozen unsweetened raspberries (thawed and drained)
- 3 cups sliced fresh or frozen rhubarb (thawed and drained)
- For the icing:
- 1-¼ cups confectioners' sugar
- ½ teaspoon vanilla extract
- 5 to 6 teaspoons 2% milk
Tools:
- Mixing bowls
- Rolling pin
- Baking pan (15x10x1 in.)
- Fork for sealing
It’s always a good idea to have everything laid out before you start cooking, allowing you a smoother experience.
Make the pie crust
Creating the perfect crust is crucial for a slab pie. Start by mixing the flour and salt in a large bowl. Cut in the butter until the mixture resembles coarse crumbs. Then, whisk together the milk and egg yolk in a separate bowl and gradually incorporate it into your flour mixture until a dough forms. Should you need more moisture, add milk 1 tablespoon at a time.
Once your dough comes together, divide it into two portions and wrap them in plastic wrap. Refrigerate for about an hour until it’s easy to handle.
Prepare the filling with raspberries and rhubarb
While your dough chills, focus on the fruity goodness that makes this Raspberry Rhubarb Slab Pie shine! In a large bowl, whisk together the sugar and cornstarch. Add the thawed raspberries and rhubarb, gently tossing them to coat evenly.
Assemble the pie in the baking pan
Once your dough is ready, preheat the oven to 375°F. Roll out the larger portion of the dough into an 18x13-inch rectangle between two sheets of lightly floured wax paper. Transfer it carefully into your ungreased baking pan, pressing it onto the bottom and up the sides.
Pour the prepared filling into the crust, spreading it evenly. Next, roll out the second portion of the dough and lay it over the top. Seal the edges by folding the bottom crust over, and use a fork to crimp the edges together. Don’t forget to prick the top so steam can escape while it bakes!
Bake until golden and bubbly
Now, pop the pan into the oven and let it bake for about 45-55 minutes or until the top is golden brown and bubbly. Your kitchen will fill with mouthwatering aromas, making it hard to wait!
Drizzle with icing and let cool
Once your Raspberry Rhubarb Slab Pie is out of the oven and has cooled slightly, it’s time for the finishing touch! Whisk together the confectioners' sugar, vanilla, and enough milk for a drizzling consistency. Drizzle this delicious icing over your pie, allowing it to create a lovely decorative touch.
Let the pie cool completely before slicing into squares.
Now, grab a piece, savor the sweet-tart flavor combination, and bask in the compliments coming your way!

Variations on Raspberry Rhubarb Slab Pie
Different fruit combinations to try
While raspberries and rhubarb are a classic pairing, don’t be afraid to mix things up! Consider using strawberries for a sweeter twist, or blackberries for a deeper flavor. For a tropical hint, try adding some pineapple or mango. If you want a more tart flavor profile, cherries or even tart green apples can complement the filling beautifully. Embracing these variations can introduce a delightful surprise to your slab pie!
Tips for a gluten-free or vegan version
Transforming your Raspberry Rhubarb Slab Pie is easier than you think! For a gluten-free crust, substitute regular flour with a 1:1 gluten-free baking blend, ensuring it contains xanthan gum for texture. To make it vegan, replace butter with coconut oil or a plant-based butter. Swap the milk with almond milk, and use a flaxseed egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water) in place of the egg yolk. These adjustments can ensure everyone enjoys your delicious pie without compromise.
For more tips on gluten-free baking, check out Gluten-Free Baking.
Baking Notes for Raspberry Rhubarb Slab Pie
Common Pitfalls to Avoid
When making your Raspberry Rhubarb Slab Pie, be mindful of a few common missteps:
- Overmixing the Dough: This can lead to a tough crust, so mix just until combined.
- Underbaking: Keep an eye on the pie towards the end of the baking time for that perfect golden brown.
- Not Draining Fruit: Excess moisture can make your filling soupy, so drain adequately if using frozen fruit.
Storage Tips for Leftovers
If you happen to have any pie left (which is rare but possible!), store it properly to maintain freshness:
- Room Temperature: Keep it in an airtight container for up to 2 days.
- Refrigerator: For longer storage, refrigerate for up to a week.
- Freezing: You can freeze slices in a freezer-safe container for up to 3 months. Just make sure to wrap them well to prevent freezer burn!
Enjoy baking one of spring's finest desserts! Looking for more helpful tips? Check out this resource for pie baking tips to elevate your pie-making skills!

Serving suggestions for Raspberry Rhubarb Slab Pie
Perfect pairings for slab pie
When serving your delightful Raspberry Rhubarb Slab Pie, consider pairing it with a scoop of creamy vanilla ice cream or a dollop of freshly whipped cream. The ice cream's coolness complements the pie’s warm, tart filling beautifully. For those who enjoy a little zing, a side of tangy Greek yogurt can add a refreshing contrast, enhancing both texture and flavor. Complement these with a hot cup of herbal tea or a rich coffee, creating a well-rounded dessert experience.
Creative ways to serve at gatherings
Looking to impress at your next gathering? Slice the Raspberry Rhubarb Slab Pie into bite-sized squares and serve them on a rustic wooden platter for a charming presentation. You might also consider topping each square with a sprinkle of powdered sugar or a drizzle of chocolate sauce for added flair. Alternatively, arrange individual portions in small dessert cups with layers of pie and whipped cream for a fun twist. This eye-catching method will surely be a hit among your guests, sparking conversations and enticing second helpings!
For more serving ideas, check out Taste of Home for crowd-pleasing dessert recommendations. Enjoy your culinary adventure!
Time Breakdown for Raspberry Rhubarb Slab Pie
Preparation Time
Get ready to whip up your Raspberry Rhubarb Slab Pie! It takes about 30 minutes to prepare the dough and filling, ensuring your ingredients are mixed just right for that sweet-tart goodness.
Baking Time
Once your pie is prepped and in the oven, sit back and relax. The baking time is approximately 45 minutes, with your kitchen filling up with delicious aromas.
Cooling Time
After baking, don't rush! Allow the pie to cool completely for about 1 hour on a wire rack. This step is essential for the flavors to meld.
Total Time
From start to finish, you’re looking at around 2 hours and 15 minutes, which includes preparation, baking, and cooling. Perfect for a lazy weekend brunch or a delightful dessert night!
For tips on how to best serve your delightful pie, you might find inspiration on BBC Good Food or tips from Taste of Home that will elevate your experience. Enjoy making this springtime treat!
Nutritional Information for Raspberry Rhubarb Slab Pie
Calories per Serving
Each delightful piece of Raspberry Rhubarb Slab Pie contains approximately 247 calories. This makes it a satisfying dessert option that won't derail your dietary goals when enjoyed in moderation.
Dietary Considerations
This scrumptious pie offers a mix of sweet and tart flavors. Here's a snapshot of the nutritional profile per serving:
- Fat: 8g (5g saturated fat)
- Cholesterol: 29mg
- Sodium: 159mg
- Carbohydrates: 42g
- Sugars: 25g
- Fiber: 2g
- Protein: 3g
With its balance of fruit and pastry, the Raspberry Rhubarb Slab Pie can be a delightful indulgence, but those watching their sugar intake should be mindful of the 25g of sugars. As with all desserts, pairing it with a healthy option, like a yogurt or fruit, could keep your meal balanced.
For more insights on healthful eating, consider reading articles from sources like the Harvard T.H. Chan School of Public Health or Nutrition.gov.
Embrace the vibrant flavors and share this pie with friends—it’s all about enjoying life’s sweet moments!
FAQs about Raspberry Rhubarb Slab Pie
Can I use frozen fruit instead of fresh?
Absolutely! Using frozen fruit is a convenient option and works wonderfully in this Raspberry Rhubarb Slab Pie. Just make sure to thaw and drain the fruit beforehand to remove excess moisture, which can lead to a soggy crust.
How do I know when the pie is done?
The best way to tell if your slab pie is ready is to look for a golden-brown crust. You can also gently shake the pan; if the filling jiggles slightly but is not liquidy, you’re in good shape. For a more precise check, insert a toothpick into the crust; it should come out clean.
Tips for adjusting the sweetness level?
If you prefer a sweeter pie, consider increasing the sugar by a couple of tablespoons. Conversely, for a more tart flavor, you can reduce the sugar or add an extra touch of rhubarb. Remember to taste the filling before assembling the pie—you can always adjust before baking!
For additional tips on crust texture and flavor balancing, feel free to check out resources from The Kitchn or Serious Eats!
Conclusion on Raspberry Rhubarb Slab Pie
Embrace the flavors of spring with this slab pie!
Baking this Raspberry Rhubarb Slab Pie is a delightful way to celebrate the arrival of spring. The combination of sweet raspberries and tart rhubarb creates a fantastic flavor profile that embodies the season. Whether enjoyed fresh from the oven or chilled, each slice is a reminder of the beauty of spring.
Your new favorite dessert awaits.
Once you've tried this Raspberry Rhubarb Slab Pie, you'll likely find it becoming a staple in your dessert repertoire. Perfect for gatherings or a cozy night in, this recipe brings comfort and joy with every bite. So grab your ingredients and start baking; your taste buds will thank you!

Raspberry Rhubarb Slab Pie
Equipment
- baking pan
- large bowl
- whisk
- fork
Ingredients
- 3-¼ cups all-purpose flour
- 1 teaspoon salt
- 1 cup butter
- ¾ cup 2% milk plus 1 to 2 tablespoons if needed
- 1 large egg yolk
- 2 cups sugar
- ⅓ cup cornstarch
- 5 cups fresh or frozen unsweetened raspberries thawed and drained
- 3 cups sliced fresh or frozen rhubarb thawed and drained
- 1-¼ cups confectioners' sugar for icing
- ½ teaspoon vanilla extract for icing
- 5-6 teaspoons 2% milk for icing
Instructions
- In a large bowl, combine flour and salt; cut in butter until crumbly. Whisk ¾ cup milk and egg yolk; gradually add to flour mixture, tossing with a fork until dough forms a ball. Add additional milk, 1 tablespoon at a time, if necessary.
- Divide dough into 2 portions so that 1 is slightly larger than the other; cover each and refrigerate 1 hour or until easy to handle.
- Preheat oven to 375°. Roll out larger portion of dough between 2 large sheets of lightly floured waxed paper into an 18x13-in. rectangle. Transfer to an ungreased 15x10x1-in. baking pan. Press onto the bottom and up sides of pan; trim crust to edges of pan.
- In a large bowl, combine sugar and cornstarch. Add raspberries and rhubarb; toss to coat. Spoon into crust.
- Roll out remaining dough; place over filling. Fold bottom crust over edges of top crust; seal with a fork. Prick top with a fork.
- Bake until golden brown, 45-55 minutes. Cool completely on a wire rack.
- For icing, combine confectioners' sugar, vanilla and enough milk to achieve a drizzling consistency; drizzle over pie. Cut pie into squares.





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