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Peach Crumble Bars

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Buttery shortbread crust layered with juicy spiced peaches and finished with a golden oat crumb topping—perfect for late-summer snacking or an easy make-ahead dessert.

Ingredients

Scale
  • Crust & Crumble:
  • 2 cups (250 g) all-purpose flour
  • 1 ½ cups (150 g) old-fashioned rolled oats
  • 1 cup (200 g) packed light brown sugar
  • 1 tsp ground cinnamon
  • ½ tsp baking powder
  • ¼ tsp fine sea salt
  • 1 cup (225 g) unsalted butter, melted & slightly cooled
  • Peach Filling:
  • 4 cups (about 600 g) diced fresh peaches, peeled if desired
  • ⅓ cup (65 g) granulated sugar
  • 2 Tbsp cornstarch
  • 1 Tbsp fresh lemon juice
  • ½ tsp vanilla extract
  • ¼ tsp ground ginger (optional)

Instructions

  1. Preheat oven to 350 °F (175 °C). Line a 9×9-inch baking pan with parchment paper, leaving an overhang for easy removal.
  2. Make the crust/crumble: In a large bowl whisk flour, oats, brown sugar, cinnamon, baking powder, and salt. Pour in melted butter; stir until evenly moistened and clumps form.
  3. Set aside 1 heaping cup of the mixture for the topping. Press the remainder firmly into the prepared pan to form an even crust.
  4. Prepare peach filling: In a medium bowl combine peaches, sugar, cornstarch, lemon juice, vanilla, and ginger. Toss until peaches are well coated.
  5. Spoon peach mixture evenly over the crust.
  6. Crumble reserved oat mixture over peaches, squeezing some bits into larger clumps for texture.
  7. Bake 38–42 minutes, or until topping is golden brown and peach filling is bubbling at the edges.
  8. Cool completely in the pan on a wire rack, about 2 hours. Lift out by parchment overhang and cut into 16 bars. Serve room-temperature or chilled.

Notes

  • Peaches: Ripe but firm peaches give the best texture; thawed frozen peaches work in a pinch (drain well).
  • Oats: Use old-fashioned rolled oats, not instant or steel-cut.
  • Make-ahead: Bars keep, covered, up to 3 days at room temp or 5 days refrigerated; they freeze well for 2 months.
  • Glaze option: Drizzle cooled bars with a simple icing (½ cup powdered sugar + 1–2 tsp milk) for extra sweetness.

Nutrition

Keywords: peach crumble bars, peach dessert, fruit bars, summer baking

Find it online: https://zesticook.com/peach-crumble-bars/