Apple Slab Pie: The Ultimate Easy Recipe for a Crowd

By Rowan Pierce

On March 10, 2026

An extreme close-up of the spiced apple filling for the slab pie in a large bowl, showing thinly sliced apples coated in cinnamon and sugar.

Cuisine

American

Prep time

30 minutes

Cooking time

50 minutes

Total time

80 minutes

Servings

16 slices

There’s nothing quite like the aroma of a freshly baked apple pie, but what happens when you need to serve more than a handful of people? Enter the Apple Slab Pie. This is the ultimate solution for gatherings, potlucks, and family holidays. It delivers all the warm, cinnamon-spiced apple goodness and flaky, buttery crust of a traditional pie, but in a generous sheet pan size that’s incredibly easy to slice and serve. Forget complex lattice work; this rustic dessert is all about fantastic flavor that feeds a crowd with minimal fuss.

What Exactly is an Apple Slab Pie?

Think of an Apple Slab Pie as the rustic, generous cousin to the classic round apple pie. It’s a free-form pie baked in a rectangular jelly roll pan or baking sheet. This method creates a larger, flatter dessert with a fantastic crust-to-filling ratio. It’s less about perfect presentation and more about delivering delicious, homemade flavor to a larger group of people. Its simple construction makes it an ideal recipe for enthusiastic home cooks of all skill levels.

Why You’ll Love This Recipe

  • Feeds a Crowd: Baked in a standard baking sheet, this recipe yields about 16 generous servings, making it perfect for parties.
  • Perfectly Spiced Filling: A balanced blend of sweet and tart apples, warm cinnamon, and a hint of nutmeg creates a classic, irresistible flavor.
  • Incredibly Flaky Crust: This all-butter crust is sturdy enough to hold the filling yet bakes up wonderfully flaky and tender.
  • Simple to Make: With straightforward instructions, this recipe is much easier to assemble than a traditional double-crust pie.

Choosing the Best Apples for Pie

The key to a great apple pie filling is using a mix of apples for a more complex flavor and texture. For this Apple Slab Pie, I recommend a combination of a firm-tart apple and a firm-sweet apple. The tart apples hold their shape well during baking, while the sweet apples break down slightly to create a lovely sauciness.

  • Firm-Tart Options: Granny Smith is the gold standard for a reason. Its firm texture and pronounced tartness are perfect for baking. Pink Lady and Braeburn are also excellent choices.
  • Firm-Sweet Options: Honeycrisp, Gala, and Fuji add a natural sweetness and complement the tart varieties beautifully.

Ingredients You’ll Need

For the All-Butter Pie Crust

  • 3 cups all-purpose flour
  • 1 tablespoon granulated sugar
  • 1 teaspoon salt
  • 1 cup (2 sticks) cold unsalted butter, cubed
  • â…” cup ice water

For the Spiced Apple Filling

  • 8 medium apples (about 4 lbs), peeled, cored, and thinly sliced
  • ¾ cup granulated sugar
  • ¼ cup brown sugar, packed
  • ¼ cup all-purpose flour
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon ground nutmeg
  • â…› teaspoon salt
  • 1 tablespoon lemon juice
  • 2 tablespoons unsalted butter, cut into small pieces

For the Egg Wash & Topping

  • 1 large egg, beaten
  • 1 tablespoon coarse sugar, for sprinkling

How to Make The Best Apple Slab Pie

This recipe breaks down into four simple stages: making the dough, preparing the filling, assembling the pie, and baking. Follow these steps for a perfect result every time.

Step 1: Make the Pie Dough

In a large bowl, whisk together the flour, sugar, and salt. Add the cold, cubed butter and use a pastry blender or your fingertips to cut the butter into the flour until the mixture resembles coarse crumbs with some pea-sized pieces remaining. Slowly drizzle in the ice water, mixing with a fork until the dough just starts to come together. Do not overmix. Divide the dough into two portions, one slightly larger than the other (about a 60/40 split). Form each into a flat disk, wrap in plastic wrap, and refrigerate for at least 1 hour.

Step 2: Prepare the Apple Filling

In a large bowl, combine the sliced apples with the granulated sugar, brown sugar, flour, cinnamon, nutmeg, salt, and lemon juice. Toss gently until the apples are evenly coated. Set aside to allow the flavors to meld while you roll out the dough.

A close-up corner shot of the baked Apple Slab Pie, highlighting the flaky, golden-brown crust and bubbly apple filling.
Look at that golden-brown, flaky crust!

Step 3: Assemble the Slab Pie

Preheat your oven to 400°F (200°C). On a lightly floured surface, roll out the larger disk of dough into a rectangle that is roughly 18×12 inches. Carefully transfer the dough to a 15×10-inch baking sheet, pressing it into the bottom and up the sides. Spoon the apple filling over the bottom crust in an even layer. Dot the top of the filling with the small pieces of butter. Roll out the second disk of dough into a rectangle large enough to cover the filling (about 16×11 inches). Place the top crust over the apples. Trim the edges, then press and crimp to seal. Cut several slits in the top crust to allow steam to escape.

Step 4: Bake to Golden Perfection

Brush the top of the pie with the beaten egg wash and sprinkle generously with coarse sugar. This will give your crust a beautiful, shiny, and crisp finish. Bake for 40-50 minutes, or until the crust is a deep golden brown and the filling is bubbly. If the edges start to brown too quickly, you can cover them with foil. Let the pie cool on a wire rack for at least 2 hours before slicing and serving. This allows the filling to set properly.

An extreme close-up of the spiced apple filling for the slab pie in a large bowl, showing thinly sliced apples coated in cinnamon and sugar.
A mix of sweet and tart apples creates the most flavorful filling.

Tips for a Flawless Slab Pie

  • Keep Everything Cold: For the flakiest crust, make sure your butter and water are ice cold. This prevents the butter from melting and creates steam pockets during baking, which results in those delicious flaky layers.
  • Don’t Overwork the Dough: Mix the dough just until it comes together. Overworking develops gluten, which can make your crust tough instead of tender.
  • Slice Apples Uniformly: Try to slice your apples to a similar thickness (about ¼ inch) to ensure they cook evenly.
  • Let It Cool Completely: This is the hardest part! Letting the pie cool is crucial. It allows the juices to thicken and set, so you can cut clean, beautiful slices. For a show-stopping dessert, try this Caramel Pecan Lasagna recipe.

Storage and Make-Ahead Instructions

How to Store Leftovers

You can store leftover Apple Slab Pie lightly covered at room temperature for up to 2 days. For longer storage, cover it tightly and refrigerate for up to 5 days. You can serve it cold, at room temperature, or reheated in a 350°F oven for about 10 minutes.

Can I Make This Ahead of Time?

Absolutely! This is a great recipe to prepare in advance. You can make the pie dough up to 3 days ahead and store it wrapped in the refrigerator. You can also assemble the entire pie, cover it tightly with plastic wrap, and refrigerate it for up to 24 hours before baking. Just add the egg wash and sugar right before it goes into the oven.

Frequently Asked Questions

Yes, you can use store-bought pie crust in a pinch. You will likely need two boxes (four crusts total). You may need to press two crusts together to create a large enough sheet for both the bottom and top layers.

To prevent a soggy bottom, ensure your apple filling isn’t overly juicy by tossing it with flour, which helps thicken the juices as it bakes. Also, make sure your oven is fully preheated to 400°F. The initial high heat helps set the bottom crust quickly.

You can prepare the pie dough up to 3 days in advance and keep it refrigerated. You can also assemble the entire unbaked pie, cover it tightly, and refrigerate it for up to 24 hours before you plan to bake it.

For the best flavor and texture, use a combination of firm-tart apples like Granny Smith and firm-sweet apples like Honeycrisp or Gala. The tart apples hold their shape, while the sweet apples break down slightly to create a rich, complex filling.

A slab pie is baked in a rectangular baking sheet, making it larger and flatter than a traditional round pie baked in a pie plate. This results in a higher crust-to-filling ratio and makes it much easier to slice and serve for a crowd.

More Crowd-Pleasing Desserts

If you’re looking for more desserts that are perfect for a party, you’ll love our Peach Cobbler Poke Cake or these decadent Caramel Brownie Cheesecake bars. And for a truly unique treat, try making our classic Homemade Apple Pie Recipe.

Share Your Masterpiece!

We are so excited for you to try this Apple Slab Pie recipe! It’s a guaranteed crowd-pleaser that will have everyone coming back for more. If you make it, please leave a comment below and let us know how it turned out. Don’t forget to share a picture of your beautiful creation on Pinterest!

A full overhead shot of a delicious golden-brown Apple Slab Pie on a baking sheet, with one slice cut out to show the spiced apple filling.
This Apple Slab Pie is the only dessert you'll need for your next gathering!

The Best Apple Slab Pie Recipe

An extreme close-up of the spiced apple filling for the slab pie in a large bowl, showing thinly sliced apples coated in cinnamon and sugar.

Apple Slab Pie: The Ultimate Easy Recipe for a Crowd

This Apple Slab Pie is the perfect dessert for a crowd. With a flaky, all-butter crust and a perfectly spiced apple filling, this easy-to-follow recipe is a guaranteed showstopper for any gathering.
Prep Time 30 minutes
Cook Time 50 minutes
Total Time 1 hour 20 minutes
Servings: 16 slices
Course: Dessert
Cuisine: American
Calories: 350

Ingredients
  

  • 3 cups all-purpose flour
  • 1 tablespoon granulated sugar
  • 1 teaspoon salt
  • 1 cup cold unsalted butter, cubed equal to 2 sticks
  • â…” cup ice water
  • 8 medium apples, peeled, cored, and thinly sliced about 4 lbs, use a mix of tart and sweet
  • ¾ cup granulated sugar
  • ¼ cup brown sugar, packed
  • ¼ cup all-purpose flour
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon ground nutmeg
  • â…› teaspoon salt
  • 1 tablespoon lemon juice
  • 2 tablespoons unsalted butter, cut into small pieces
  • 1 large egg, beaten
  • 1 tablespoon coarse sugar for sprinkling

Equipment

  • 1 15x10 inch Baking Sheet
  • 2 Large Mixing Bowl
  • 1 Pastry blender (Optional)

Method
 

  1. In a large bowl, whisk together the flour, sugar, and salt. Cut in the cold butter with a pastry blender until it resembles coarse crumbs. Drizzle in ice water and mix until the dough just comes together. Divide dough into a 60/40 split, form into disks, wrap, and refrigerate for at least 1 hour.
  2. In a separate large bowl, combine the sliced apples, sugars, flour, spices, salt, and lemon juice. Toss to coat evenly and set aside.
  3. Preheat oven to 400°F (200°C). Roll out the larger dough disk to an 18x12-inch rectangle and fit it into a 15x10-inch baking sheet. Spoon the apple filling over the crust and dot with butter. Roll out the smaller dough disk to cover the filling. Trim and crimp the edges to seal. Cut slits in the top for ventilation.
  4. Brush the top crust with the beaten egg wash and sprinkle with coarse sugar. Bake for 40-50 minutes, or until the crust is golden brown and the filling is bubbly. Let cool completely on a wire rack for at least 2 hours before slicing.

Notes

Keep Everything Cold: Use ice-cold butter and water for the flakiest crust.
Don't Overwork the Dough: Mix just until combined to keep the crust tender.
Let It Cool Completely: This is crucial for allowing the filling to set, ensuring clean slices.

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