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The Best Easy Homemade Apple Crumble Recipe with Crispy Oat Topping

Close-up of a spoonful of amazing apple crumble showing crunchy topping and a tender apple slice.

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Make this classic apple crumble for a comforting dessert. It features tender, spiced apples beneath a buttery, crispy oat topping. This simple recipe delivers delicious results every time.

Ingredients

Scale
  • 6 medium baking apples (like Granny Smith or Honeycrisp), peeled, cored, and sliced
  • 1/4 cup granulated sugar (for apples)
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon lemon juice
  • 1 cup all-purpose flour
  • 1/2 cup rolled oats (old-fashioned)
  • 1/2 cup packed light brown sugar
  • 1/2 teaspoon ground cinnamon (for topping)
  • 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 pie plate.
  2. In a large bowl, combine the sliced apples, 1/4 cup granulated sugar, 1 teaspoon cinnamon, nutmeg, and lemon juice. Toss gently to coat the apples evenly.
  3. Pour the apple mixture into your prepared baking dish and spread it into an even layer.
  4. In a separate medium bowl, prepare the crumble topping. Whisk together the flour, rolled oats, brown sugar, 1/2 teaspoon cinnamon, and salt.
  5. Cut in the cold butter cubes using a pastry blender, two knives, or your fingertips. Work the mixture until it resembles coarse crumbs with some pea-sized pieces of butter remaining. This creates the crispy oat topping.
  6. Sprinkle the crumble topping evenly over the apples in the baking dish. Do not press it down.
  7. Bake for 35 to 45 minutes, or until the topping is golden brown and the apple filling is bubbling thickly around the edges.
  8. Let the apple crumble cool on a wire rack for at least 15 minutes before serving. Serve warm with vanilla ice cream for the ultimate comfort food dessert.

Notes

  • For the best texture, use firm apples that hold their shape when baked.
  • If your topping starts browning too quickly, loosely cover the dish with aluminum foil for the last 10 minutes of baking.
  • This dessert is perfect served warm with a scoop of vanilla ice cream.

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