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Apple Slab Pie Recipe: Easy Homemade Dessert with Flaky Crust

apple slab pie - featured image

This apple slab pie features a flaky homemade crust and a sweet-tart apple filling, perfect for feeding a crowd. It’s easy to make, comforting, and ideal for potlucks, family gatherings, or cozy nights in.

Ingredients

Scale
  • 2 1/2 cups all-purpose flour
  • 1 cup unsalted butter, cold and cubed
  • 2 tablespoons granulated sugar
  • 1 teaspoon salt
  • 1/2 cup ice water (add more, tablespoon by tablespoon, if needed)
  • Optional: 1 teaspoon apple cider vinegar
  • 6 cups apples, peeled, cored, and thinly sliced (Granny Smith and Honeycrisp recommended)
  • 2/3 cup granulated sugar
  • 1/4 cup brown sugar
  • 2 tablespoons all-purpose flour
  • 1 tablespoon ground cinnamon
  • 1/4 teaspoon ground nutmeg (optional)
  • Pinch of salt
  • 2 tablespoons unsalted butter, diced
  • Juice of 1/2 lemon (about 1 tablespoon)
  • 1 egg, beaten (for brushing the crust)
  • 1 tablespoon coarse sugar (optional, for topping)

Instructions

  1. In a large bowl, whisk together flour, sugar, and salt for the crust.
  2. Add cold, cubed butter and blend with a pastry cutter, food processor, or fingers until pea-sized crumbs form.
  3. Drizzle in ice water and optional vinegar, stirring gently until dough just comes together. Add more water if needed.
  4. Divide dough in half, flatten into rectangles, wrap in plastic, and chill for at least 30 minutes (up to 2 hours for extra flakiness).
  5. In a separate bowl, toss sliced apples with granulated sugar, brown sugar, flour, cinnamon, nutmeg, salt, and lemon juice. Set aside.
  6. On a lightly floured surface, roll one dough piece into a rectangle slightly larger than your half-sheet pan (about 15×10 inches, 1/8-inch thick).
  7. Transfer dough to pan, pressing into corners and letting excess hang over edges.
  8. Pour apple mixture onto crust, spreading evenly. Dot with diced butter.
  9. Roll out second dough piece to fit over apples. Place on top, trim excess, and pinch edges to seal. Cut slits for steam.
  10. Brush crust with beaten egg and sprinkle with coarse sugar.
  11. Preheat oven to 375°F. Bake for 40-50 minutes, until crust is deep golden and juices bubble through slits. Rotate pan halfway if needed.
  12. If crust browns too fast, tent loosely with foil for the last 10 minutes.
  13. Let pie cool in pan for at least 20 minutes before slicing. Serve warm or at room temperature.

Notes

For best results, use a mix of tart and sweet apples. Keep butter and ingredients cold for a flaky crust. If making gluten-free, use a 1:1 gluten-free flour blend and add extra water if needed. Let pie cool before slicing for clean pieces. Leftovers taste even better the next day as flavors deepen.

Nutrition

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