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Apple Slab Pie

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Apple Slab Pie is a crowd-pleasing dessert featuring a flaky, buttery crust and a warmly spiced apple filling, baked in a sheet pan for easy slicing and serving. Perfect for holidays, potlucks, or any occasion where you need a delicious dessert to feed a group.

Ingredients

  • 2 1/2 cups all-purpose flour
  • 1/2 teaspoon salt
  • 1 cup unsalted butter, cold and cubed
  • 68 tablespoons ice water
  • 8 cups apples, peeled, cored, and thinly sliced (Granny Smith, Honeycrisp, or a mix)
  • 1/2 cup granulated sugar
  • 1/4 cup brown sugar
  • 1 1/2 teaspoons ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon lemon juice
  • 2 tablespoons cornstarch or flour
  • 1 egg, beaten (for egg wash)
  • Optional glaze: 1 cup powdered sugar, 2–3 tablespoons milk, 1/2 teaspoon vanilla extract

Instructions

  1. In a large bowl, mix flour and salt. Cut in cold butter with a pastry cutter or fingers until mixture resembles coarse crumbs.
  2. Add ice water a tablespoon at a time, mixing until dough comes together. Divide into two discs, wrap in plastic, and refrigerate for at least 1 hour.
  3. Preheat oven to 375°F (190°C). Line a 10×15-inch rimmed baking sheet with parchment paper or lightly grease it.
  4. On a floured surface, roll out one dough disc to fit the pan. Transfer and press into bottom and sides.
  5. In a large bowl, toss sliced apples with both sugars, cinnamon, nutmeg, lemon juice, and cornstarch until well combined.
  6. Spread the apple filling evenly over the crust.
  7. Roll out the second dough disc and place over filling. Trim excess and crimp or pinch edges to seal. Cut slits in top for steam to escape.
  8. Brush the top with beaten egg.
  9. Bake for 40–45 minutes, until crust is golden and filling is bubbling.
  10. Let cool completely before slicing. Drizzle with optional glaze if desired.

Notes

Use a mix of tart and sweet apples for depth of flavor.Crumb topping can be used instead of a top crust for variety.Prepping the dough a day in advance saves time on baking day.Use a pie crust shield or foil on edges if they brown too quickly.This pie is great served with vanilla ice cream or whipped cream.

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