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Ultimate Classic Apple Crumble with Buttery Oat Topping

Close-up of a warm, individual apple crumble in a white ramekin, showing the golden brown topping and soft cooked apple filling.
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Make the best classic apple crumble with tender, spiced apples and a perfectly crisp, buttery oat topping. This simple recipe delivers comfort food baking perfection.

Ingredients

Scale
  • 6 medium baking apples (like Granny Smith or Honeycrisp), peeled, cored, and sliced
  • 1/4 cup granulated sugar (for apples)
  • 1 tablespoon all-purpose flour (for apples)
  • 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 pie plate.
  2. 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.
  3. Spread the apple mixture into the prepared baking dish in an even layer.
  4. To make the crumble topping, whisk together the 1 cup of flour, rolled oats, brown sugar, and salt in a separate medium bowl.
  5. Cut in the cold butter cubes using a pastry blender or your fingertips. Work the mixture until it resembles coarse crumbs with some pea-sized pieces of butter remaining. This creates the buttery crumble topping texture.
  6. Sprinkle the topping evenly over the apples in the baking dish. Do not press 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 for at least 15 minutes before serving. Serve warm with vanilla ice cream.

Notes

  • For the crispiest topping, chill the cubed butter for 10 minutes before mixing it into the dry ingredients.
  • Use a mix of apples for the best flavor balance between tartness and sweetness.
  • This dessert is excellent served warm with a scoop of vanilla ice cream.

Nutrition

Find it online: https://completelyyummy.com/best-apple-crumble-recipe/