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Blackberry Blondies

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Posted by:

Erin Lynch

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Updated:

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5 from 13 votes

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Blackberry lemon bars pinterest image.
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If lemon bars and blackberry pie had a baby, you’d have these Blackberry Lemon Blondies. They’re moist, tangy and delicious with bits of blackberries running throughout. 

Extreme close up of three blackberry lemon blondies stacked on top of eachother next to bowl of blackberries.

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I think we could all use a yummy recipe to brighten things up right now. Bonus points if that recipe uses ingredients you may already have on hand and comes lacquered up with the most pretty, vibrant pink glaze. 

Enter these Blackberry Blondies. 

Bursting with tangy lemon flavor, tart blackberries, and baked to that perfect dense & chewy texture. 

You’re going to love these. 

I was inspired to make these after seeing a post by The View from Great Island for Strawberry Lemon Blondies.

Baked blondies on cooling rack before being glazed.
Lemon blondies after being glazed.

As with my recipe for these Blondies with Cream Cheese Frosting or my Cranberry Bliss Bars, I like to take my blondies out when they’re just barely cooked in the middle, so that they’re perfectly chewy. Be sure not to overcook them if you like them this way, as they’ll set up a bit more while they cool.

Ingredients Needed

  • Blackberries – You can use fresh or frozen blackberries for this recipe.
  • Flour
  • Butter
  • Sugar & Powdered Sugar
  • Eggs
  • Lemon Juice
  • Baking Powder
  • Salt

How to Make Them

For the Blondies

  • Preheat your oven to 350 degrees F.
  • Beat together the butter and sugar until fluffy. Add the eggs until incorporated.
  • Add lemon juice and combine.
  • Whisk together flour, baking powder and salt, then add to the wet ingredients, mixing until just combined.
  • Fold in the blackberries.
  • Spread the batter into the prepared pan.
  • Bake 30-35 minutes, until cooked through. Edges will be slightly browned and a toothpick inserted in the center will come out clean.
  • Let cool completely (about 1 hour).

For the Glaze

  1. Simmer blackberries, sugar and lemon juice until blackberries start to break down. 
  2. Process with a food processor or blender. 
  3. Strain mixture through a fine mesh sieve to get rid of seeds. 
  4. Combine with powdered sugar, a tablespoon at a time, until desired consistency is reached. 
Cut up lemon blondies on cooling rack with parchment paper next to bowl of blackberries.

How to Make Ahead + Store

  • Store the blackberry blondies in an airtight container for up to five days.
  • These lemon bars will also keep well in the freezer for up to two months. However, the glaze tends to thin out when they thaw.

More Dessert Recipes

  • Strawberry Ricotta Cake
  • Apple Galette with Cardamom
  • Creme Brulee with Cardamom Roasted Blackberries
  • Rose Apple Tartlets with Salted Caramel
  • Butterscotch Bourbon Budino with Salted Caramel
Three blackberry lemon blondies stacked on top of eachother next to bowl of blackberries.

More Blackberry Recipes 

  • Blackberry Muffins with Crumble Topping
  • Custard Tart with Blackberries
  • Creme Brulee with Cardamom Roasted Blackberries
  • Blackberry Galette
  • Blackberry Smoothie Recipe (No Banana)
  • Blackberry Moscow Mule with Elderflower
  • Blackberry Bellini with Fresh Ginger
  • Blackberry Fool

Did you try this lemon blackberry dessert?

If you loved these lemon blackberry bars I would appreciate it so much if you would give this recipe a ⭐️star review⭐️! Also, be sure to snap a picture of your finished dish and share it with me on Instagram using the hashtag #platingsandpairings and tagging me @platingsandpairings.

For more great Platings and Pairings recipes, be sure to follow me on Instagram, TikTok, Pinterest and Facebook.

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Extreme close up of three blackberry lemon blondies stacked on top of eachother next to bowl of blackberries.

Full Recipe

Blackberry Blondies 

If lemon bars and blackberry pie had a baby, you’d have these Blackberry Lemon Blondies. They’re moist, tangy and delicious with bits of blackberries running throughout.
5 from 13 votes
Print Pin
Serves 12 people
Created by Platings and Pairings
Prep Time: 15 minutes mins
Cook Time: 30 minutes mins
Total Time: 45 minutes mins

Equipment

  • 9 x 9 inch pan

Ingredients

  • 1 cup unsalted butter (at room temperature (2 sticks))
  • 3/4 cup sugar
  • 2 large eggs
  • 2/3 cup fresh squeezed lemon juice
  • 2 1/4 cups all purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup frozen blackberries (chopped)

Glaze:

  • 1 cup frozen blackberries
  • 2 Tablespoons sugar
  • 2 Tablespoons lemon juice
  • 1 cup powdered sugar

Instructions

Blondies:

  • Preheat oven to 350 degrees.
  • Line a 9-inch square baking pan with parchment paper or spray with cooking spray.
  • Beat together the butter and sugar until fluffy. Add the eggs.
  • Once the eggs are incorporated, add lemon juice and combine.
  • Whisk together flour, baking powder and salt, then add to the wet ingredients, mixing until just combined.
  • Fold in the blackberries.
  • Using a rubber spatula, spread the batter into the prepared pan.
  • Bake 30-35 minutes, until cooked through. Edges will be slightly browned and a toothpick inserted in the center will come out clean. Let cool completely (about 1 hour).

Glaze:

  • In a small saucepan combine blackberries, sugar and lemon juice. Bring to a boil, reduce heat and simmer 2-3 minutes, until sugar dissolves and the blackberries start to break down. Process with a food processor or blender, then pass through a fine mesh sieve to get rid of any seeds.
  • Add powdered sugar to a small bowl and start by adding the berry puree, tablespoon by tablespoon, until the glaze is your desired consistency. Spread glaze over cooled blondies and serve.

Nutrition

Calories: 341kcal | Carbohydrates: 46g | Protein: 4g | Fat: 16g | Saturated Fat: 10g | Cholesterol: 68mg | Sodium: 111mg | Potassium: 126mg | Fiber: 2g | Sugar: 26g | Vitamin A: 564IU | Vitamin C: 11mg | Calcium: 34mg | Iron: 1mg
Did you make this recipe?Mention @platingsandpairings or tag #platingsandpairings!

This post was originally published in 2020. It was updated in 2024 to add additional information. The blackberry blondies recipe remains the same. Enjoy!

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5 from 13 votes (9 ratings without comment)

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14 responses

  1. Hawnuh
    May 14, 2020

    5 stars
    This looks delicious!! We always have a million leftover blackberries during the summer, can’t wait to try out this glaze (that color though!)

    Reply
    1. Erin
      May 18, 2020

      It really turned out so vibrant!

      Reply
  2. Marlynn
    May 14, 2020

    5 stars
    That blackberry glaze is gorgeous!! These look such a yummy way to enjoy summer’s best fruit!

    Reply
    1. Erin
      May 18, 2020

      Thanks Marlynn!

      Reply
  3. Julia @ Happy Foods Tube
    May 18, 2020

    Now these blondies look so good! I have some berries in the freezer so definitely trying these.

    Reply
    1. Erin
      May 18, 2020

      I hope you love them Julia!

      Reply
  4. Suzy Wintjen
    May 31, 2020

    What is the best way to store the leftovers – if there are any?!

    Reply
    1. Erin
      June 1, 2020

      I would store them tightly wrapped at room temperature. They will last a few days.

      Reply
  5. Me
    August 17, 2020

    5 stars
    Hi, I’m in Gold Beach and picked a bunch of blackberries yesterday. Going to make your blackberry muffin recipe this morning.

    Reply
    1. Erin
      August 18, 2020

      I hope you love it!

      Reply
  6. Laura
    July 4, 2022

    These came out pretty fluffy for blondies. Next time I make them I’ll try decreasing the baking powder and adding an egg.

    Reply
  7. Sabrina
    May 14, 2024

    5 stars
    I’m definitely in, love these ingredients, really anything lemon and blackberries too and as blondie, wonderful, thank you!

    Reply
  8. Patricia
    May 11, 2025

    Hello Erin,

    I’m dying to make these Blondies but just a quick question, do I need to thaw the blackberries or can I just pop them in from frozen? I’ll rate after I’ve made them thank you

    Reply
    1. Erin Lynch
      May 11, 2025

      Hi Patricia – You can add the blackberries from frozen. Happy cooking!

      Reply

Hi, I’m Erin!

Can I pour you a glass of wine? Let’s have some fun in the kitchen! Maybe some pasta? A juicy steak? I’ve got loads of yummy, easy recipes for you! Because cooking should feel as comfy as your favorite yoga pants. ♥

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