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Homemade Apple Crisp with Oat Streusel – Easy & Perfect

homemade apple crisp with oat streusel - featured image

This apple crisp features tender, spiced apples under a crunchy oat streusel topping that stays crisp, not soggy. Toasting the oats and using cold butter are the secrets to the perfect texture.

Ingredients

Scale
  • 6 cups apples, peeled, cored, and sliced (about 45 medium apples; mix of Granny Smith and Honeycrisp)
  • 1/4 cup granulated sugar
  • 1/4 cup light brown sugar, packed
  • 1 tablespoon lemon juice (freshly squeezed)
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 2 tablespoons all-purpose flour
  • 1 cup old-fashioned rolled oats (not quick oats)
  • 3/4 cup all-purpose flour
  • 1/2 cup light brown sugar, packed
  • 1/4 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 1/2 cup unsalted butter, cold and cut into small cubes

Instructions

  1. Preheat your oven to 350ยฐF (175ยฐC). Place a baking sheet on the lower rack to catch any drips.
  2. Toast the oats: Spread the old-fashioned rolled oats on a dry baking sheet and toast in the preheating oven for 5-7 minutes, until fragrant and lightly golden. Set aside to cool slightly.
  3. Prepare the apple filling: In a medium bowl, combine the sliced apples, granulated sugar, brown sugar, lemon juice, cinnamon, nutmeg, salt, and flour. Toss until the apples are evenly coated.
  4. Make the streusel topping: In a large bowl, whisk together the toasted oats, all-purpose flour, brown sugar, salt, and cinnamon. Add the cold, cubed butter. Use a pastry cutter or two forks to cut the butter into the dry ingredients until the mixture looks like coarse meal with some pea-sized butter pieces remaining.
  5. Assemble the crisp: Pour the apple mixture into a greased 8×8-inch baking dish and spread into an even layer. Sprinkle the streusel topping evenly over the apples. Do not press it down.
  6. Bake: Place the dish on the prepared baking sheet and bake for 40-45 minutes, until the topping is golden brown and the apple filling is bubbling around the edges. If the topping browns too quickly, tent loosely with foil for the last 10 minutes.
  7. Cool and serve: Let the crisp cool on a wire rack for at least 15-20 minutes before serving.

Notes

Toasting the oats is crucial for a crunchy topping. Use cold butter and slice apples uniformly (about 1/4-inch thick). Let the crisp rest for 15-20 minutes before serving to allow the filling to set. Bake on a sheet pan to catch drips.

Nutrition

Keywords: apple crisp, oat streusel, apple dessert, fall dessert, easy apple crisp, homemade apple crisp