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    Home » Brownies and Bars

    Blackberry Pie Bars

    Published: Aug 26, 2020 by Ashley This post may contain affiliate links. Leave a Comment

    ↓ Jump to Recipe

    Buttery, tender shortbread crust with jammy, sweet blackberries, topped with an almond crumble topping, these blackberry pie bars are so delicious, super simple to make and are such a crowd pleaser.

    layers of the blackberry pie bars - crust, filling and crumble topping

    This recipe has the all the best qualities of a blackberry pie without all the fuss. The shortbread crust and topping are made with one dough. These bars are the perfect way to use up those ripe, summer blackberries.

    Why You Will Love This Recipe

    • The blackberries create this thick and juicy deep purple jam as they bake. Fresh or frozen blackberries will work.
    • The crust is buttery, crumbly, and a bit caramel-y from the brown sugar. The blackberries make the crust around edges of the bars sticky, chewy and caramel-like - easily my favorite part.
    • Quicker and simpler then making fruit pies. No peeling, chopping or rolling pie crusts.
    • Easy to follow recipe with step by step photo instructions.
    cut into slices

    Recipe Ingredients

    Almonds - sliced

    All purpose flour

    Brown sugar

    Granulated sugar

    Fine sea salt

    Lemon - zest and juice

    Unsalted butter

    Cinnamon

    Blackberries - fresh or frozen

    Cornstarch

    step by step making the crust and crumble topping

    Recipe Instructions

    Before beginning the recipe, line a 8x8 square pan with two sheets of parchment paper, making sure the parchment extends over the sides of the pan to form a "sling". Secure the sides with binder clips to secure the parchment in place. Preheat the oven to 375F.

    1. Place the almonds in a dry skillet over medium heat. Cook for 4 to 5 minutes, until toasted stirring often.
    2. In the bowl of a food processor, pulse to combine the flour, brown sugar, granulated sugar, salt, and lemon zest.
    3. Scatter the butter cubes over the flour mixture. Pulse until the mixture starts to clump together but is still sandy. Remove 1 cup of the mixture, and set aside.
    4. Continue to pulse until the mixture starts to stick together. Turn out the remaining mixture into the prepared, lined pan.
    5. Press the dough evenly into the pan. Use the bottom of a glass or measuring cup to ensure the dough is evenly spread.
    6. Bake the crust until golden brown, about 25 minutes.
    baking the crust and prepping the blackberry filling
    1. To the reserved one cup shortbread mixture, add the cinnamon and almonds. Use the tips of your fingers to squeeze the dough together to make large crumbs for the topping.
    2. Toss together blackberries, lemon juice, and sugar in a medium bowl. Let the blackberries macerate while the crust cools.
    3. Once the crust just warm, stir the cornstarch into the blackberries.
    4. Pour the blackberries evenly over the crust.
    5. Sprinkle the crumble over the blackberries.
    6. Bake the bars for 35-45 minutes until golden brown and bubbling. Cool, then slice into bars to serve.
    blackberry filling and baking bars

    Baking Tips

    • These bars are the easiest to slice when they are chilled. Pop the bars into the freezer for 15 minutes. Remove the bars from the pan with the parchment handles. Use a sharp, non-serrated knife to slice into squares. Wipe the knife off on a damp towel between slices for the neatest cuts.
    • Serve these bars with vanilla ice cream, a dusting of confectioner's sugar, or whipped cream.

    Storage and Freezing

    Store any leftover blackberry bars in the refrigerator in an airtight container for up to 3 days.

    These bars can also be frozen for up to 3 months. You can freeze them whole before slicing into portions, wrapped with plastic wrap, foil and stored in a zip top bag. They can also be frozen as individual squares. After chilling the bars, cut into individual bars and place on a baking sheet. Freeze for one hour, then wrap each one with plastic wrap and place in a zip top freezer bag. Defrost the bars in the refrigerator before serving.

    close up of bars

    FAQs

    Can I use different fruit in this recipe?

    Absolutely. Blueberries, raspberries and peaches work especially well with this recipe.

    Can I use different nuts?

    Switch out the almonds for your favorite nut. Pecans, walnuts and macadamia nuts work especially well with these bars. Nuts can also be omitted.

    How do I know the bars are cooked all the way?

    There is cornstarch in this recipe to thicken the blackberry filling, so to ensure that the bars are finished cooking and the cornstarch has worked properly, the mixture should be bubbling before removing from the oven. You may only see a bubble or two and that's totally fine. The crumble mixture should also be a golden brown when done baking.

    If you make these blackberry pie bars, let me know! Drop a comment below or tag me on Instagram.

    Enjoy! 

    Ash xx

    More Summer Recipes to Try

    Lavender Lemon Bars

    Raspberry Cheesecake Brownies

    Brown Butter Stone Fruit Tart

    Strawberry Rose Buttermilk Cake

    Honey Cardamom Peach Galettes

    Recipe

    blackberry bars cut into slices

    Blackberry Pie Bars

    Ripe, juicy blackberries are baked on top of a buttery shortbread style crust, topped with an almond crumb topping
    5 from 1 vote
    Print Recipe Pin Recipe
    Servings12 2x2 squares
    Prep Time20 minutes mins
    Cook Time1 hour hr
    Total Time1 hour hr 20 minutes mins

    Equipment

    • 8x8 square pan
    • Food processor

    Ingredients
     

    Crust and Topping

    • ¼ cup sliced almonds
    • 2 ¼ cup all purpose flour
    • ½ cup light brown sugar, packed
    • ¼ cup (50g) granulated sugar
    • ½ teaspoon fine sea salt
    • 2 teaspoons lemon zest
    • 1 cup unsalted butter, cold, cut into cubes
    • ¼ teaspoon cinnamon

    Blackberry Filling

    • 2 ½ cups fresh blackberries, halved
    • 1 tablespoon lemon juice
    • ½ cup granulated sugar
    • 1 ½ tablespoons cornstarch

    Instructions
     

    • Heat the oven to 375F. Line an 8x8 pan with parchment paper.
    • Place the nuts in a dry skillet over medium heat. Cook for 4 to 5 minutes, until golden and fragrant stirring often.
      ¼ cup sliced almonds
    • In the bowl of a food processor, combine the flour, brown sugar, granulated sugar, salt, and lemon zest. Pulse to combine.
      2 ¼ cup all purpose flour, ½ cup light brown sugar, packed, ¼ cup (50g) granulated sugar, ½ teaspoon fine sea salt, 2 teaspoons lemon zest
    • Add the butter cubes to the flour mixture. Pulse until the mixture starts to clump together but is still sandy.
      1 cup unsalted butter, cold, cut into cubes
    • Remove 1 cup of the mixture, and turn out the remaining mixture into the prepared pan.
    • Lightly press the dough evenly into the pan. Bake the crust for 20-25 minutes, or until light golden brown.
    • Add the cinnamon and almonds to the reserved 1 cup of the flour mixture and combine. Use the tips of your fingers to squeeze the dough together to make clumps for the topping. Keep refrigerated until ready to use.
      ¼ teaspoon cinnamon
    • Place the blackberries, lemon juice, and sugar in a medium bowl. Toss to combine. Let the blackberries sit and macerate while the crust cools.
      2 ½ cups fresh blackberries, halved, 1 tablespoon lemon juice, ½ cup granulated sugar
    • When the crust is just warm, add the cornstarch to the blackberry mixture and mix until combined.
      1 ½ tablespoons cornstarch
    • Pour the blackberry filling onto the crust.
    • Evenly sprinkle the crumb topping over the blackberry filling.
    • Bake the bars for 35-45 minutes, until the blackberries and juices are bubbling around the edges and the topping is golden brown.
    • Allow the bars to cool completely before serving.
    Tried this recipe?Let us know how it was!
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    Ashley Little Vintage Baking

    Hi, I'm Ashley! Welcome to the Little Vintage Baking blog. I am food photographer and recipe developer of mostly sweet, sometimes savory recipes that are always delicious, and elevated, but always approachable. I hope to inspire you with beautiful, tried and true recipes for all skill levels.

    More about me →

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