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The Best, Easiest Apple Crisp Recipe with a Perfectly Crunchy Oat Topping

A close-up view of a freshly baked apple crisp with a thick, golden brown oat topping and bubbling fruit filling.

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This foolproof apple crisp recipe delivers tender, cinnamon-spiced apples beneath a buttery, golden oat topping. It is simple to prepare and perfect for a cozy autumn dessert or family gathering.

Ingredients

Scale
  • 6 medium apples (Granny Smith or Honeycrisp recommended)
  • 1/4 cup granulated sugar
  • 1 tablespoon lemon juice
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 cup all-purpose flour
  • 1/2 cup rolled oats
  • 1/2 cup packed brown sugar
  • 1/4 teaspoon salt
  • 6 tablespoons cold unsalted butter, cut into small pieces

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease an 8×8 inch baking dish.
  2. Peel, core, and slice the apples into 1/4-inch thick pieces. Place the apple slices in a large bowl.
  3. Add the granulated sugar, lemon juice, cinnamon, and nutmeg to the apples. Toss gently to coat the apples evenly.
  4. Pour the spiced apple mixture into the prepared baking dish and spread it into an even layer.
  5. In a separate medium bowl, combine the flour, rolled oats, brown sugar, and salt for the topping. Mix these dry ingredients together.
  6. Cut in the cold butter pieces using a pastry blender or your fingertips until the mixture resembles coarse crumbs. Do not overmix; you want some pea-sized pieces of butter remaining for the best crisp texture.
  7. Sprinkle the oat topping evenly over the apples in the baking dish.
  8. Bake for 35 to 45 minutes, or until the topping is golden brown and the apple filling is bubbling thickly around the edges.
  9. Let the apple crisp cool for at least 15 minutes before serving. This allows the filling to set.

Notes

  • For the best flavor and texture, use a mix of tart and sweet apples, like Granny Smith and Honeycrisp.
  • To prevent the bottom from getting soggy, place the baking dish on a lower-middle rack in the oven for the first 20 minutes of baking.
  • Serve this warm apple crumble with a scoop of vanilla ice cream or a drizzle of caramel sauce for a classic comfort food dessert experience.

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