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Easy & Heavenly Summer Peach Crumb Bars

Capture the magic of summer with these Easy & Heavenly Summer Peach Crumb Bars. Featuring a buttery shortbread crust, a sweet and tender peach filling, and a cinnamon-spiced crumb topping, these bars are sunshine in a pan and surprisingly simple to make.
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Cook Time 45 minutes
Course: Dessert, Snack
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

For the Crust
  • 1 cup all-purpose flour
  • 1/4 cup granulated sugar
  • 1/4 tsp salt
  • 1/2 cup unsalted butter cold and cubed
For the Peach Filling
  • 3-4 large peaches peeled, pitted, and sliced
  • 1/2 cup granulated sugar
  • 2 tbsp all-purpose flour
  • 1 tbsp lemon juice
  • 1/2 tsp vanilla extract
For the Crumb Topping
  • 1/2 cup all-purpose flour
  • 1/4 cup granulated sugar
  • 1/4 cup brown sugar
  • 1/4 tsp cinnamon
  • 1/4 tsp salt
  • 1/4 cup unsalted butter melted

Equipment

  • 9x9-inch Baking Pan
  • Mixing bowls
  • Pastry Blender or Fork

Method
 

  1. Step 1: Prep Your Pan: Preheat your oven to 350°F (175°C). Grab a 9x9-inch baking pan and line it with parchment paper, leaving some overhang on the sides.
  2. Step 2: Whip up the Crust: In a medium bowl, whisk together the flour, sugar, and salt for the crust. Cut in the cold butter cubes using a pastry blender, fork, or fingertips until it looks like coarse crumbs. Dump into the prepared pan and press down evenly. Bake for 15–18 minutes until lightly golden. Let cool slightly.
  3. Step 3: Make the Peachy Filling: While the crust cools, toss your sliced peaches in another bowl. Sprinkle with the sugar and flour for the filling, then drizzle in the lemon juice and vanilla extract. Gently toss until coated.
  4. Step 4: Create the Crumb Topping: In a third bowl, mix together the flour, both sugars, cinnamon, and salt for the topping. Pour in the melted butter and stir with a fork until clumps and crumbs form.
  5. Step 5: Assemble the Magic: Spread the peach filling evenly over your slightly cooled crust. Sprinkle the crumb topping all over the peaches, covering them from edge to edge.
  6. Step 6: Bake to Perfection: Place the assembled bars back into your 350°F oven. Bake for 45–50 minutes until the topping is golden brown and the filling is bubbly.
  7. Step 7: Cool Completely: Let the bars cool completely in the pan before slicing. This allows the filling to set. Cool on a wire rack for at least 2-3 hours, or chill in the fridge. Once cool, lift using the parchment paper overhang and cut into squares.

Notes

Substitutions: You can swap peaches for other fruits like apples, berries, nectarines, or plums. Consider adding chopped nuts (pecans, walnuts) to the crumb topping for extra crunch and flavor. For a gluten-free version, experiment with a good quality gluten-free all-purpose flour blend for both the crust and the topping. Add a pinch of nutmeg or ginger to the peach filling or the crumb topping for more warm spice notes. Add a teaspoon of lemon zest to the peach filling for an extra punch of citrus flavor.
Tips: Always use cold butter for the crust texture. Don't overwork the crust ingredients. Use ripe but still slightly firm peaches. Peel peaches easily by scoring an 'X', blanching briefly (30-60 seconds), then using an ice bath. Crucially, let the bars cool completely (2-3 hours) before slicing to allow the filling to set.
Storage: Store cooled and sliced bars in an airtight container at room temperature for 2-3 days, or in the refrigerator for up to 5-7 days. Bars are freezer-friendly! Wrap individual bars or the whole slab tightly in plastic wrap, then aluminum foil. They'll keep in the freezer for up to 2-3 months. Thaw at room temperature.