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The Ultimate Easy Peach Crisp with Brown Sugar Oat Topping

A close-up of a square serving of homemade peach crisp showing gooey peach filling and a thick, golden brown oat topping.

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Make this easy peach crisp featuring tender, juicy peaches under a buttery, crispy brown sugar oat topping. It is a comforting dessert perfect for serving warm with ice cream.

Ingredients

Scale
  • 6 cups fresh or frozen peach slices (about 8 medium peaches)
  • 1/2 cup granulated sugar
  • 1 tablespoon lemon juice
  • 1 tablespoon cornstarch
  • 1/2 teaspoon ground cinnamon
  • 1 cup all-purpose flour
  • 1 cup rolled oats
  • 3/4 cup packed brown sugar
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/2 cup (1 stick) cold unsalted butter, cut into small pieces

Instructions

  1. Preheat your oven to 375 degrees F. Lightly grease a 9-inch pie dish or an 8×8 inch baking dish.
  2. Prepare the peach filling: In a large bowl, gently toss the peach slices with the granulated sugar, lemon juice, cornstarch, and 1/2 teaspoon of cinnamon until the peaches are evenly coated. Pour the mixture into your prepared baking dish.
  3. Prepare the buttery oat topping: In a separate medium bowl, whisk together the flour, rolled oats, brown sugar, 1/2 teaspoon of cinnamon, and salt.
  4. Cut in the cold butter: Add the cold butter pieces to the dry topping mixture. Use your fingers or a pastry blender to cut the butter into the dry ingredients until the mixture resembles coarse crumbs with some pea-sized pieces of butter remaining. Do not overmix.
  5. Spread the topping evenly over the peach filling in the baking dish.
  6. Bake for 40 to 50 minutes, or until the topping is golden brown and the peach filling is bubbly around the edges. If the topping begins to brown too quickly, loosely cover the dish with foil for the last 10 minutes of baking.
  7. Remove the crisp from the oven and let it cool on a wire rack for at least 15 minutes before serving. This resting time helps the filling set slightly.
  8. Serve warm, ideally topped with vanilla ice cream or whipped cream.

Notes

  • If you use frozen peaches, do not thaw them first; use them directly in the recipe. You may need to add 5 to 10 minutes to the baking time.
  • For an extra crispy topping, chill the topping mixture in the refrigerator for 15 minutes before spreading it over the peaches.
  • This simple peach dessert pairs well with a scoop of cold vanilla ice cream.

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