How to Make Blackberry Lemon Squares Perfectly Every Time

Oh, the joy of baking! There’s something so satisfying about creating a delightful dessert that not only looks beautiful but also tastes heavenly. Today, I’m excited to share my recipe for Blackberry Lemon Squares. These sweet and tangy treats are perfect for any occasion, whether you’re hosting a gathering or simply indulging in a little afternoon dessert. Plus, they’re a fantastic way to use fresh blackberries! If you’re looking for easy pasta recipes to pair with your dessert, I’ve got you covered there too!

Why You’ll Love This Recipe

  • Quick and easy to prepare, making it perfect for busy weeknights.
  • Bright, zesty flavors that will awaken your taste buds.
  • Uses fresh blackberries, which are packed with antioxidants.
  • Can be made ahead of time and served at room temperature, making it one of those desserts that can sit out during gatherings.
  • Perfect for sharing with family and friends, or simply enjoying on your own!

Ingredients

To make these delightful Blackberry Lemon Squares, you’ll need the following ingredients:

  • 1 1/2 cups all-purpose flour
  • 1/2 cup powdered sugar
  • 1/4 teaspoon salt
  • 3/4 cup unsalted butter, melted
  • 2 cups fresh blackberries (or thawed, drained frozen)
  • 1 cup granulated sugar
  • 3 large eggs
  • 1/4 cup all-purpose flour
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest
  • Powdered sugar, for dusting

Full ingredient list with measurements is provided in the printable recipe card below.

How to Make the Recipe

Now, let’s dive into the steps to create these scrumptious squares:

  1. Preheat your oven to 350°F (175°C). Line a 9×9-inch pan with parchment paper, leaving an overhang on two sides for easy lifting.
  2. In a bowl, stir together 1½ cups flour, ½ cup powdered sugar, and ¼ tsp salt. Add the melted butter and mix until crumbly. Press this mixture evenly into the pan. Bake for 15–18 minutes, until lightly golden. Let it cool slightly.
  3. While the crust is cooling, purée the blackberries in a blender. Strain the purée through a mesh sieve into a bowl to remove the seeds — you should end up with about ¾ cup of purée.
  4. In a large bowl, whisk together the eggs and granulated sugar. Stir in the lemon juice, lemon zest, and ¼ cup flour until smooth. Add the blackberry purée and mix until the color is a deep berry pink and fully combined.
  5. Pour the filling over the cooled crust. Bake for 22–25 minutes, or until set and the center doesn’t jiggle.
  6. Cool completely in the pan. Use the parchment to lift out, then dust generously with powdered sugar. Slice into 16 squares.

Pro Tips for Making the Recipe

Here are some of my favorite tips to ensure your Blackberry Lemon Squares turn out perfectly every time:

  • Make sure to use fresh blackberries for the best flavor, but if they’re out of season, frozen blackberries work just as well!
  • Don’t skip the straining step for the blackberry purée; it makes a huge difference in texture.
  • Let the squares cool completely before slicing to avoid a messy cut.
  • For an extra touch, consider adding a dollop of whipped cream or a scoop of vanilla ice cream when serving.

How to Serve

These Blackberry Lemon Squares are incredibly versatile! Here are a few serving suggestions:

  • Serve them as a refreshing dessert after a hearty meal, perhaps alongside some creamy garlic pasta for a delightful contrast.
  • Pair them with a cup of tea or coffee for a lovely afternoon treat.
  • They also make a great addition to a picnic or potluck, as they’re easy to transport and serve.
  • For a fun twist, try serving them with a side of Cucumber Vinegar Salad for a refreshing contrast.

Make Ahead and Storage

One of the best things about these Blackberry Lemon Squares is that they can be made ahead of time! Here’s how to store them:

  • Once cooled, store the squares in an airtight container at room temperature for up to 3 days.
  • If you want to keep them longer, you can refrigerate them for up to a week.
  • For longer storage, consider freezing them. Just wrap them tightly in plastic wrap and then in aluminum foil. They can be frozen for up to 3 months. Thaw in the refrigerator before serving.

So there you have it! A delightful recipe for Blackberry Lemon Squares that’s sure to impress your family and friends. Whether you’re looking for blackberry dessert recipes easy to whip up or simply want to enjoy a sweet treat, this recipe is a winner. Happy baking!

Two squares of blackberry lemon bars dusted with powdered sugar, stacked on a white plate.

Blackberry Lemon Squares

Delightful lemon squares with a burst of fresh blackberries, perfect for a sweet and tangy treat.
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 16 squares
Calories 250 kcal

Ingredients
  

Crust

  • 1 1/2 cups all-purpose flour
  • 1/2 cup powdered sugar
  • 1/4 teaspoon salt
  • 3/4 cup unsalted butter, melted

Filling

  • 2 cups fresh blackberries or thawed, drained frozen
  • 1 cup granulated sugar
  • 3 large eggs
  • 1/4 cup all-purpose flour
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest

For dusting

  • to taste powdered sugar for dusting

Instructions
 

  • Preheat oven to 350°F (175°C). Line a 9x9-inch pan with parchment paper.
  • Mix flour, powdered sugar, and salt. Add melted butter and press into pan. Bake 15–18 minutes.
  • Purée blackberries and strain to remove seeds, yielding about ¾ cup.
  • Whisk eggs and sugar, then add lemon juice, zest, flour, and blackberry puree. Pour over crust.
  • Bake 22–25 minutes until set. Cool completely, dust with powdered sugar, and cut into 16 squares.

Notes

Use fresh blackberries for best flavor. Store in an airtight container.
Keyword blackberries

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