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    Home » Recipes » Baking

    Lemon & Blueberry Blondies

    Published: Sep 14, 2021 · Modified: Oct 25, 2022 by Beth Sachs · As an Amazon Associate I earn from qualifying purchases · 6 Comments

    Jump to Recipe Print Recipe
    Lemon Blueberry Blondies pin image.

    Moist, buttery, and golden, these lemon and blueberry blondies with a sweet white chocolate drizzle icing are just perfect for afternoon tea and summer picnics.

    Juicy blueberries, zingy lemon, and sweet white chocolate chunks combine gloriously in this to-die-for sweet baked treat.

    A stack of lemon blueberry blondies.

    Dense, fudgy, and moist, these lemon blueberry blondies studded with sweet white chocolate, are a real flavour explosion. I guarantee you won't be able to stop at one!

    👩‍🍳 Love blondies? Don't forget to try my delicious biscoff blondies too!

    Jump to:
    • ✔️ Why should you try it?
    • 🛒 Ingredients
    • 🔪 Instructions
    • 💭 Top tip
    • 🍴 Serving suggestions
    • 📖 Variations
    • 🥡 Storage
    • ❓ FAQs
    • 😋Related recipes
    • Recipe
    • 💬 Comments

    ✔️ Why should you try it?

    • Easy to make blueberry lemon traybake.
    • Moist, fudgy and dense blondies.
    • Perfect for lunchboxes and snacks.
    • Freezer-friendly.

    🛒 Ingredients

    Ingredients for lemon and blueberry blondies.
    • Blueberries - sweet juicy blueberries, fresh or frozen.
    • Lemon - the zest of 1 unwaxed lemon.
    • White Chocolate - chocolate chunks or chips are needeedd for the blondie batter and extra white chocolate is needed for the chocolate drizzle icing.
    • Butter - unsalted is best. The butter needs to be melted and cooled before use.
    • Sugar - a combination of granulated sugar and light brown sugar gives the blondies a moist, dense and chewy texture.
    • Egg - 1 large free-range egg at room temperature.
    • Flour - plain white flour is used in this recipe.
    • Baking Powder

    🔪 Instructions

    The recipe card with ingredient quantities and detailed instructions can be found at the bottom of the post

    1. Mix together the cooled melted butter and sugars until combined.
    2. Beat in the egg.
    3. Fold in the flour and baking powder.
    4. Stir through the blueberries, lemon zest and white chocolate chunks.
    5. Spoon the blondie batter into a lined 20cm square tin and bake for 22-25 minutes.
    6. Allow to cool before drizzling over the white chocolate icing. Leave to set before cutting into squares.
    Step by step photo instructions for making lemon blueberry blondies.

    💭 Top tip

    Speed up the cooling time by placing the blondie tin in the fridge for 30 minutes after baking. Drizzle with the white chocolate icing then place back in the fridge for a further 30 minutes to set.

    🍴 Serving suggestions

    The lemon and blueberry blondies are perfect for afternoon tea, after-school snacks, picnics and bake sales.

    I sometimes serve the blondies for an easy dessert with no-churn honeycomb ice cream.

    📖 Variations

    • Swap the fresh blueberries for dried blueberries (or you could even try dried cranberries).
    • Use raspberries or blackberries instead of blueberries - fresh or frozen will be fine.
    • Add a handful of chopped walnuts to the blondies for crunch and texture.
    • A sprinkling of lemon zest over the white chocolate drizzle gives the blondies a citrussy flavour boost.
    Blueberry and lemon blondies with white chocolate drizzle.

    🥡 Storage

    The baked blondies can be stored in an air-tight container for up to 5 days.

    The blondies can also be frozen for up to 3 months. Freeze in layers separated by baking paper, to avoid the blondies from sticking together. Defrost thoroughly before serving.

    ❓ FAQs

    What is the difference between a blondie and a brownie?

    The main difference is chocolate. Brownies are made with chocolate and/or cocoa powder, giving them that wonderful dark brown colour, and blondies are not (although they often have white chocolate in them).

    How do you know when blondies are done?

    The blondies should be golden around the edges with a very slight wobble in the centre. Place in the fridge or freezer to set, which makes cutting them so much easier.

    😋Related recipes

    More delicious blondies, brownies and bars to try!

    • Nutella Blondies
    • Pumpkin Blondies
    • Caramel Apple Pie Bars
    • White Chocolate and Cranberry Blondies
    • Chocolate Orange Brownies
    • Mini Egg Cookie Bars
    • Banana Blondies
    • Date and Walnut Scones

    Tried this recipe? Leave a ⭐⭐⭐⭐⭐ star rating in the comments!

    Recipe

    Moist lemon and blueberry blondies.
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    5 from 8 votes

    Easy Lemon & Blueberry Blondies

    Moist, buttery, and golden, these lemon and blueberry blondies with a sweet white chocolate drizzle icing are the perfect bake for afternoon tea, or to pop in lunchboxes.
    Course Cake
    Cuisine British
    Keyword lemon and blueberry blondies, lemon blueberry blondies, lemon blueberry cookie bars, lemon blueberry traybake
    Prep Time 10 minutes
    Cook Time 22 minutes
    Total Time 32 minutes
    Servings 16
    Calories 181kcal
    Author Beth Sachs
    Prevent your screen from going dark

    Equipment

    • Kitchen Scales
    • Mixing Bowl
    • Microplane Grater
    • Wooden Spoon
    • 20 cm (8'') Square Baking Tin
    • Baking Paper

    Ingredients

    Metric - US Customary
    • 120 g Unsalted Butter melted and cooled
    • 100 g Granulated Sugar
    • 50 g Light Brown Sugar
    • 1 Egg large
    • 1 Lemon zest only
    • 130 g Plain Flour
    • ½ teaspoon Baking Powder
    • ¼ teaspoon Salt
    • 100 g Blueberries fresh or frozen
    • 100 g White Chocolate Chips

    For the topping

    • 50 g White Chocolate melted

    Instructions

    • Preheat the oven to 108°c (160 fan/ Gas 4/ 350F) and line a 20cm square baking tin with baking paper.
    • Mix together the cooled melted butter and sugars until combined.
    • Beat in the egg.
    • Fold in the flour, salt and baking powder.
    • Stir through the blueberries, lemon zest and white chocolate chunks.
    • Spoon the blondie batter into the tin and bake for 22-25 minutes. The blondies should be just pulling away from the edge of the tin but soft in the middle.
    • Allow to cool fully before drizzling over the white chocolate icing. Leave to set before cutting into squares.

    Notes

    Top Tip:
    Speed up the cooling time by placing the blondie tin in the fridge for 30 minutes after baking. Drizzle with the white chocolate icing then place back in the fridge for a further 30 minutes to set.
     
    Variations:
    • Swap the fresh blueberries for dried blueberries (or you could even try dried cranberries).
    • Use raspberries or blackberries instead of blueberries - fresh or frozen will be fine.
    • Add a handful of chopped walnuts to the blondies for crunch and texture.
    • A sprinkling of lemon zest over the white chocolate drizzle gives the blondies a citrussy flavour boost.
     
    Storage:
    The baked blondies can be stored in an air-tight container for up to 5 days.
    The blondies can also be frozen for up to 3 months. Freeze in layers separated by baking paper, to avoid the blondies from sticking together. Defrost thoroughly before serving.
     
    Nutrition:
    The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.
     
    Nutrition Facts
    Easy Lemon & Blueberry Blondies
    Amount per Serving
    Calories
    181
    % Daily Value*
    Fat
     
    9
    g
    14
    %
    Saturated Fat
     
    6
    g
    38
    %
    Trans Fat
     
    1
    g
    Polyunsaturated Fat
     
    1
    g
    Monounsaturated Fat
     
    3
    g
    Cholesterol
     
    28
    mg
    9
    %
    Sodium
     
    64
    mg
    3
    %
    Potassium
     
    69
    mg
    2
    %
    Carbohydrates
     
    23
    g
    8
    %
    Fiber
     
    1
    g
    4
    %
    Sugar
     
    16
    g
    18
    %
    Protein
     
    2
    g
    4
    %
    Vitamin A
     
    211
    IU
    4
    %
    Vitamin C
     
    8
    mg
    10
    %
    Calcium
     
    37
    mg
    4
    %
    Iron
     
    1
    mg
    6
    %
    * Percent Daily Values are based on a 2000 calorie diet.
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    Reader Interactions

    Comments

    1. Jeannette

      September 14, 2021 at 10:33 am

      5 stars
      SO wickedly indulgent. Love how it's packed with fresh blueberries - they just burst as you break them apart!

      Reply
    2. Dannii

      September 14, 2021 at 10:33 am

      5 stars
      I love the combination of lemon and blueberries and these blondies look amazing.

      Reply
    3. Danielle Wolter

      September 14, 2021 at 10:45 am

      5 stars
      Now this is my kind of blondie here. I love lemon and blueberry together. What a great recipe!

      Reply
    4. Natalie

      September 14, 2021 at 12:54 pm

      5 stars
      Oh wow, how delicious. I have to make this today. I have fresh blueberries in my fridge waiting to be used. Thanks!

      Reply
    5. Beth

      September 14, 2021 at 1:10 pm

      5 stars
      My family and I are going to love these blondes especially since they are made with fresh blueberries! So excited to make these with my daughter this weekend! Look so delicious and very addicting!

      Reply
    6. Grace

      January 13, 2023 at 12:03 pm

      5 stars
      To die for. xx

      Reply

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    Beth Sachs Food Blogger

    Hi, I’m Beth, a Mum of three (and one crazy dog), living in Cornwall, UK. I love creating easy, delicious and fuss-free recipes, perfect for busy families, just like my own.

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