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Best Homemade Apple Crisp with Crunchy Oat Pecan Topping

apple crisp with crunchy oat pecan topping - featured image

This guest-favorite apple crisp features a thick, crunchy oat pecan topping over tender, spiced apples. It’s deceptively simple to make but tastes like you spent hours in the kitchen—perfect for impressing guests without any stress.

Ingredients

Scale
  • 6–7 medium apples (mix of Granny Smith and Honeycrisp), peeled, cored, and sliced (about 6 cups)
  • 1/2 cup granulated sugar
  • 1/4 cup light brown sugar, packed
  • 2 tablespoons all-purpose flour
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon lemon juice
  • 1 teaspoon vanilla extract
  • 1 cup old-fashioned rolled oats
  • 1 cup all-purpose flour
  • 1 cup light brown sugar, packed
  • 1/2 teaspoon salt
  • 1 teaspoon cinnamon
  • 1 cup chopped pecans
  • 1/2 cup unsalted butter, melted

Instructions

  1. Preheat your oven to 350°F (175°C). Position a rack in the center of the oven.
  2. Peel, core, and slice your apples into roughly 1/4-inch thick slices. You should end up with about 6 cups of sliced apples.
  3. In a large mixing bowl, combine the sliced apples with the granulated sugar, brown sugar, flour, cinnamon, nutmeg, lemon juice, and vanilla extract. Toss everything together until the apples are evenly coated. Let this sit while you make the topping.
  4. In a medium mixing bowl, whisk together the rolled oats, flour, brown sugar, salt, and cinnamon. Stir in the chopped pecans. Pour the melted butter over the dry ingredients and stir with a fork until everything is moistened and clumps together.
  5. Transfer the apple mixture to a 9×13 baking dish and spread it into an even layer. Sprinkle the topping evenly over the apples. Do not press it down.
  6. Bake on the center rack for 45-50 minutes, or until the topping is golden brown and the apple filling is bubbly around the edges. If the topping is browning too quickly around the 35-minute mark, tent the dish loosely with foil.
  7. Let the crisp sit on a wire rack for at least 15 minutes before serving.

Notes

For a gluten-free version, swap the all-purpose flour with a 1:1 gluten-free baking blend. If you don’t have pecans, walnuts work beautifully. You can assemble the entire crisp a few hours ahead of time; just cover and refrigerate, then bring to room temperature before baking. Let the crisp rest for at least 15 minutes after baking to allow the filling to set and the topping to stay crunchy.

Nutrition

Keywords: apple crisp, oat pecan topping, easy dessert, fall dessert, apple dessert, crunchy topping, homemade apple crisp