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The Best Classic Apple Crumble with a Buttery, Never-Soggy Oat Topping

A close-up view of a freshly baked apple crumble with a thick, golden-brown, crumbly topping and soft, saucy apples underneath.

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This recipe delivers the ultimate comfort dessert: tender, spiced apples beneath a crisp, buttery oat topping. It is easy to prepare and perfect for cozy nights, especially served warm with vanilla ice cream.

Ingredients

Scale
  • 6 medium baking apples (like Granny Smith or Honeycrisp), peeled, cored, and sliced
  • 1/4 cup granulated sugar (for filling)
  • 1 tablespoon all-purpose flour (for filling)
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon lemon juice
  • 1 cup all-purpose flour (for topping)
  • 1/2 cup rolled oats
  • 1/2 cup packed light brown sugar
  • 1/4 teaspoon salt
  • 1/2 cup (1 stick) cold unsalted butter, cut into small cubes

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease an 8×8 inch baking dish or a similar-sized oven-safe dish.
  2. Prepare the apple filling: In a large bowl, combine the sliced apples, granulated sugar, 1 tablespoon of flour, cinnamon, nutmeg, and lemon juice. Toss gently until the apples are evenly coated. Pour this mixture into your prepared baking dish and spread it into an even layer.
  3. Prepare the buttery crumble topping: In a separate medium bowl, whisk together the 1 cup of flour, rolled oats, brown sugar, and salt.
  4. Cut in the cold butter: Add the cold, cubed butter to the dry topping ingredients. Use your fingertips or a pastry blender to cut the butter into the dry mixture until the mixture resembles coarse crumbs, with some pea-sized pieces remaining. Do not overmix; this keeps the topping crisp.
  5. Sprinkle the crumble topping evenly over the apple filling in the baking dish.
  6. Bake for 35 to 45 minutes, or until the topping is golden brown and the apple filling is bubbling around the edges. The apples should be tender when pierced with a fork.
  7. Remove from the oven and let it cool for at least 15 minutes before serving. This resting time helps the filling set and prevents sogginess.
  8. Serve your warm apple crumble with a generous scoop of vanilla ice cream for the ultimate cozy fall dessert experience.

Notes

  • For the best texture, make sure your butter is very cold when making the topping. Cold butter creates steam in the oven, resulting in a crisp, never-soggy crumble.
  • If you prefer a sweeter filling, increase the granulated sugar to 1/3 cup.
  • You can substitute half of the all-purpose flour in the topping with almond flour for a richer flavor.

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