Strawberry Lemon Blondies

Soft, moist and dense like a brownie, these Strawberry Lemon Blondies are absolutely to die for. They will satisfy your sweet tooth and would be the perfect easy dessert to take to your next family gathering.

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This recipe is so easy to make homemade from scratch and the results are absolutely delicious!

Consider yourself warned! These are truly irresistible. Even now, as I write this post I sure wish there were some left. Ha! They disappeared in a hurry. We shared some and enjoyed some.

Some recipes like my Lemon Raspberry Loaf use puréed fruit in the icing. I kept this one simple and used finely chopped strawberries. You don’t need to go through the effort of pressing through a sieve. The results are a beautifully coloured icing that is sweet and tangy.

Are you a strawberry desserts lover? Yes! You will want to check out my recipe for Strawberry Shortcake and this easy no-bake strawberry dessert. If you’re looking for an easy breakfast muffin, try strawberry chocolate chip muffins.


  • makes a nice big batch!
  • it’s a simple recipe. No fancy ingredients or equipment. I used a stand mixer but you can also use an electric hand mixer.
  • moist, delicious flavours that will have you coming back for more!
A white plate is covered with pieces of strawberry lemon blondies with a strawberry and sliced lemon on the side.


Ingredients for Strawberry Lemon Blondies in small bowls with text overlay.
  • butter – softened at room temperature. Take butter out of the refrigerator 30 to 60 minutes before you start the recipe. You will need butter for the blondies and a little for the frosting as well.
  • brown sugar – I recommend light brown, golden sugar in this recipe, however you can certainly use the darker brown sugar as well.
  • freshly squeezed lemon juice – fresh is a must in this recipe. The results will not be great with the bottled lemon juice. You will need it both for the brownies and the frosting.
  • strawberries – fresh, not frozen strawberries for these blondies. Frozen strawberries would be too mushy and sink to the bottom.
  • powdered sugar – for the frosting. Depending on the consistency you may need a little more than the recipe suggest depending on how juicy the chopped strawberries are for the frosting.


Line a 9×13-inch baking dish with parchment paper. If you don’t have parchment paper, that’s okay, simply grease the baking dish.

The parchment paper makes it easy to lift the blondies out of the pan for frosting.

Preheat oven to 325°F.

Butter and eggs in mixing bowl for strawberry lemon blondie batter.

I like to use the stand mixer for this recipe or you can use an electric mixer. Beat the brown sugar and softened butter until light and fluffy.

Eggs are added to the mixing bowl.

Add in the eggs, one at a time and mix well after each one is added. Add in vanilla.Next, add in the lemon juice and stir to combine.

Flour and salt in mixing bowl with wooden spoon.

In a large mixing bowl, combine the all-purpose flour and salt. Give it a good stir, then gradually add the flour mixture to the wet ingredients, mixing on low speed. Add in about one cup at a time.

Dry ingredients are added to the wet ingredients for the blondie batter.

Once the flour is mixed into the batter, drop down the bowl and remove the paddle. Gently fold in the diced strawberries by hand.

Diced strawberries are added to the batter and folded in with a spatula.

Sprinkle the strawberries on top of the batter and try to spread them out all over as you add them in, instead of putting them all in one spot.

Looking for more details about folding ingredient follow this great article about folding techniques for cakes.

Batter is turned into a 9x13-inch baking dish.

Turn the batter into the parchment paper-lined 9×13-inch pan. Scoop the batter into each corner and them some in the middle to make for easy spreading. Use a spatula to spread it out smoothly. It doesn’t have to be perfect. You’re going to be icing it with that delicious frosting!

Bake in 325°F oven for 35-40 minutes. Test the centre with a cake tester.

Cool completely on wire rack before frosting. If you frost them too soon when it is warm, the frosting will drizzle off the blondies.

Icing is mixed in a mixing bowl with a wire whisk.

For the frosting: Sift the powdered sugar through a sieve into a large mixing bowl. Finely chop two large strawberries. Beat butter and icing sugar together. (You can mix by hand or with mixer). Stir in the strawberries. Add in lemon juice, one tablespoon at a time. The results will vary based on how much liquid the strawberries add to the frosting. Gradually add in more lemon juice or powdered sugar until the frosting is a spreadable consistency.

Frosted brownies on a white piece of parchment paper with the first row sliced into pieces.

Carefully lift the cooled blondies out of the baking dish by lifting the excess parchment paper. Use a spatula to frost the blondies. Top with a slice of strawberry for garnish if desired.


Cover loosely with plastic wrap and store at room temperature for up to three days for maximum freshness.

If you want to freeze these blondies, I recommend freezing them un-iced and make the frosting on the day that you serve them. They will keep well, frozen for up to one month.


  • butter and eggs should be at room temperature.
  • cool the blondies completely before frosting. If the blondies are too warm, the frosting will be too running and ‘melt’ off the top.
  • use fresh strawberries only
  • freshly squeezed lemon juice is a must!
  • spray the bottom of your baking pan with cooking spray before setting in the parchment paper. It will stop it from slipping.


Try using different fruit such as raspberries, blackberries or blueberries. For these fruits, I would recommend pressing the chopped fruit for the frosting through a fine sieve for raspberries and blackberries.

For blueberries, I would suggest plain frosting without the blueberries chopped into the frosting. Add in 1-2 tbsp. of lemon zest to a plain white icing.

Add in 1 cup of chopped white chocolate or white chocolate chips.

Close up side view of Strawberry Lemon Blondies garnished with a slice of strawberry.


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Close up image of strawberry lemon blondies on white plate.

Strawberry Lemon Blondies

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5 from 2 reviews

  • Author: Sandra
  • Total Time: 50 minutes
  • Yield: 24


Soft, moist and dense like a brownie, these Strawberry Lemon Blondies are absolutely to die for. They would be the perfect sweet treat for a bridal or baby shower or your next family get together.



1 cup butter, softened at room temperature

2 and 1/2 cups packed brown sugar

4 eggs, room temperature

1 tsp. vanilla extract

1 tbsp. lemon juice

2 and 1/2 cups all-purpose flour

1/4 tsp. salt

1 cup strawberries diced


1 3/4 cups powdered sugar

1/4 cup butter, softened

1 to 2 tbsp. lemon juice

3 large strawberries, finely chopped

Sliced strawberries for garnish (optional)


  1. Preheat oven to 325°F. Line a 9×13-inch baking dish with parchment paper. 
  2. In a large mixing bowl, or bowl from a stand mixer, beat together butter and brown sugar until light and fluffy.
  3. Beat in the eggs, one at a time, mixing well after each addition. Add in vanilla and mix to combine, then stir in the lemon juice.
  4. In a separate mixing bowl, combine all-purpose flour and salt.
  5. Gradually add dry ingredients to wet ingredients. 
  6. By hand, carefully fold in the diced strawberries.
  7. Turn mixture into prepared baking dish. Smooth out with a spatula.
  8. Bake in 325°F oven for 40 minutes or until cake tester inserted into the centre comes out clean.
  9. Cool completely on wire rack. This should take approximately 30-45 minutes.
  10. For frosting, in a mixing bowl, sift powdered sugar, then add in butter and beat for 1 minute.
  11. Stir in finely chopped strawberries.
  12. Gradually add in lemon juice, starting with 1 tbsp. and increasing to 2 tbsp.  Check consistency, then add more lemon juice or powdered sugar to achieve desired spreadable consistency.
  13. Using the excess parchment paper at the sides of the baking dish, lift the blondies from the baking dish.
  14. Use a spatula to frost the brownies with the icing. 
  15. Top each piece with a sliced strawberry for a decorative and tasty touch. (optional)


  1. Storage instructions:Cover loosely with plastic wrap and store at room temperature for up to three days for maximum freshness.
  2. Freezing instructions: If you want to freeze these blondies, I recommend freezing them un-iced and make the frosting on the day that you serve them. They will keep well, frozen for up to one month.
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Method: Oven Baked
  • Cuisine: American


  • Serving Size: 1 large blondie
  • Calories: 362
  • Sugar: 43.8 g
  • Sodium: 82.1 mg
  • Fat: 14.8 g
  • Saturated Fat: 7.5 g
  • Trans Fat: 0 g
  • Carbohydrates: 55.5 g
  • Fiber: 0.7 g
  • Protein: 2.8 g
  • Cholesterol: 57.2 mg


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