Delicious Blueberry Crumble Bars: A Simple Recipe for Sweet Perfection

Last Updated: April 26, 2026By Tags: , , , , ,



Image Source from Rebekahd02

Indulge in Delicious Blueberry Bars with Crumble Topping

If you’re in search of a delightful dessert that perfectly balances sweet and tart, look no further than blueberry bars with a delectable crumble topping. These bars are not only easy to make but are also a crowd-pleaser at any gathering. Perfect for summer picnics or enjoyed at home with a cup of tea, this recipe from Cooking Classy demonstrates how to create this scrumptious treat.

Ingredients

For the Blueberry Filling:

  • 2 cups fresh blueberries (you can use frozen, but fresh yields the best results)
  • ⅓ cup granulated sugar
  • 1 tablespoon lemon juice
  • 1 tablespoon cornstarch
  • ½ teaspoon vanilla extract
  • A pinch of salt

For the Crumble Topping:

  • 1 cup all-purpose flour
  • ½ cup rolled oats
  • ½ cup brown sugar, packed
  • ½ teaspoon baking powder
  • ¼ teaspoon baking soda
  • ½ teaspoon cinnamon
  • ¼ teaspoon salt
  • ½ cup cold unsalted butter, cubed

Instructions

1. Preheat the Oven:
Begin by preheating your oven to 180°C (350°F). Prepare an 8×8-inch (20x20cm) baking dish by greasing it lightly or lining it with parchment paper for easy removal.

2. Prepare the Blueberry Filling:
In a medium-sized bowl, combine the fresh blueberries, granulated sugar, lemon juice, cornstarch, vanilla extract, and a pinch of salt. Gently stir to coat the blueberries and set aside. Allowing the mixture to sit for a few minutes will help the flavours meld beautifully.

3. Make the Crumble Topping:
In a separate bowl, combine the flour, rolled oats, brown sugar, baking powder, baking soda, cinnamon, and salt. Use a fork or pastry cutter to mix in the cold butter until the mixture resembles coarse crumbs. This crumble topping is where the magic happens, creating a delightful texture that contrasts beautifully with the soft blueberry filling.

4. Assemble Your Bars:
Take two-thirds of the crumble mixture and press it firmly into the base of the prepared baking dish to form the crust. Pour the blueberry filling over the crust, spreading it out evenly. Finally, sprinkle the remaining crumble over the top.

5. Bake:
Place the baking dish in the preheated oven and bake for 30-35 minutes or until the topping is golden brown and the blueberry filling is bubbling. Be sure to keep an eye on them towards the end to avoid over-browning.

6. Cool and Serve:
Once baked, remove the bars from the oven and allow them to cool in the baking dish on a wire rack. For best results, let them cool completely before slicing into squares. Serve them as they are, or with a dollop of whipped cream or a scoop of vanilla ice cream for an indulgent treat.

Tips for Success

  • Choosing Blueberries: Fresh blueberries are ideal for this recipe, but if they’re out of season, frozen blueberries can work too. Just ensure they are fully thawed and drained to prevent excess moisture.
  • Add Zest: For an extra zing, consider adding some lemon zest to the blueberry filling.
  • Store Properly: These bars can be stored in an airtight container at room temperature for up to three days or refrigerated for up to a week.

Conclusion

Blueberry bars with crumble topping encapsulate the essence of summer in each bite, merging the natural sweetness of blueberries with a buttery, crunchy topping. Whether served as a sweet snack, a dessert after dinner, or a delightful addition to your afternoon tea, these bars are sure to find a special place in your recipe collection. So gather your ingredients and get baking – you won’t regret it!


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