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Home » Brownies and Bars

by Mimi · 5 Comments

Lemon Brownies

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These fudgy lemon brownies are FULL of fresh flavor! Made with 100% real lemon, these perfectly combine the texture and density of a fudgy brownie with the delicate freshness of a lemon cake or bar. A simple lemon icing on top really completes the look and taste!

lemon brownies on parchment lined wire rack

why are these called lemon brownies?

I honestly don't totally know why these have earned the name "brownie" when they seem more like a blondie. This isn't a recipe I made up (although I wish I did think of it sooner!) and this is just my version of the viral lemon brownies.

I guess other recipes can kind of get away with calling them brownies because they typically feature white chocolate, so they at least have that chocolaty aspect to them. But I didn't really want to include it in my recipe because a) I wanted these to be easier and more accessible to make (white chocolate is expensive) and b) I really wanted the lemon flavor to be the star and shine without any additional flavors covering it up!

lemon brownies on parchment lined wire rack

how to make lemon brownies

1. Combine eggs, sugar, and lemon zest in a bowl.
2. Beat together until the sugar fully dissolves. The mixture will slightly increase in volume and become a pale yellow color. The best way to test if it's fully whipped up is to dip your fingers into the mixture and rub it between your fingers. It shouldn't feel gritty.

lemon brownies eggs, sugar, and lemon zest combined in bowl
lemon brownies lemon brownies eggs, sugar, and lemon zest whisked together in bowl until sugar has dissolved

3. While whisking, drizzle in lemon juice followed by melted butter and vanilla. Slowly drizzling the remaining wet ingredients while whisking helps emulsify the mixture and keeps the butter from separating or sinking to the bottom.
4. Add salt and flour to the wet ingredients and mix until just combined. Take care not to overmix or the brownies may end up tough.

lemon brownies wet ingredients all whisked together in bowl
lemon brownies dry ingredients added to wet ingredients in bowl

5. Pour the batter into a square baking pan & bake.
6. Cool the brownies completely in the pan before icing.

lemon brownies batter in bowl (1)
lemon brownies batter poured into baking pan

7. In a separate bowl, whisk together icing ingredients. Drizzle the icing over your cooled brownie and top with some more lemon zest for added flavor! The you can slice the brownies right away, but the icing will make it a bit messy. For cleaner slices, let the icing set for about 1 hour beforehand.
8. Pull the brownies out of the pan, then slice and serve!

baked lemon brownies in baking pan without icing
baked and cooled lemon brownies in baking pan topped with icing and lemon zest
lemon brownies on parchment lined wire
sliced lemon brownies on parchment lined wire

how to tell when lemon brownies are baked through

Lemon brownies don't really form that signature crackly crust or gooey center that you may be used to in a regular brownie recipe, so those aren't exactly the right signs to look out for to tell when it's finished baking.

Lemon brownies will have lightly browned edges and the top will lose its shine once they get closer to being ready. The surface will look a lot like a cookie! A skewer inserted into the center should come out with a few fudgy moist crumbs, but there shouldn't be any smooth wet batter on the tip. A skewer also should NOT come out fully clean - this means they're overbaked and dry.

sliced lemon brownies on parchment lined wire

baking tips

  • spoon and level or weigh your flour: Over-measuring flour will make the batter overly thick and cause the brownies to end up dense and tough! Flour measured by weight will give you more consistent results, but if you're using cups, make sure to always measure by spoon and leveling and NOT by scooping the cup directly into the bag!
  • whisking the eggs, sugar, and lemon zest: This step is especially important because these brownies don't have any leaveners added in the form of baking soda or baking powder. Whisking the eggs with the sugar will add some air to the batter so the brownies aren't overly dense. Adding lemon zest in at this stage will help release some of its natural oil which makes the flavor EXTRA strong!
  • room temperature eggs: Cold eggs run the risk of causing the butter to clump up once you add it in.
  • mixing: Brownies can become very dense and tough if the batter is overmixed. So whisk until the dry ingredients juuussstt disappear into the wet ingredients.
  • set the icing: The brownies are VERY messy to slice while the icing is still wet! It's best to wait until it crusts over and is firm to the touch - but I am 100% guilty of cutting into them right away. When the lemon brownie craving hits, it HITS.
sliced lemon brownies on parchment lined wire

storage

Keep brownies stored in an airtight container, plastic bag, or a plate tightly covered with plastic wrap. These brownies will keep for around 3 to 4 days at room temperature or 1 week in the fridge.

watch: how to make lemon brownies

check out these other recipes!

• Lemon Curd Cake
• Iced Lemon Loaf
• Chocolate Chip Cookie Brownies
• Brown Butter Brownies

Lastly, if you made this or any of my recipes, be sure to leave a comment and review below! I love hearing your thoughts! Also tag me on Instagram @eatsdelightfulblog so I can see what you're making.

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lemon brownies on parchment lined wire rack

Lemon Brownies


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 3 reviews

  • Author: Mimi
  • Total Time: 1 hour 50 minutes
  • Yield: 16 bars
Print Recipe
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Description

These fudgy lemon brownies are FULL of fresh flavor! Made with 100% real lemon, these perfectly combine the texture and density of a fudgy brownie with the delicate freshness of a lemon cake or bar. A simple lemon icing on top really completes the look and taste!


Ingredients

For the lemon brownies:

  • 1 ¼ cups (250g) granulated sugar
  • 3 large eggs, at room temperature
  • 2 tablespoons fresh lemon zest (about 2 lemons)
  • 3 tablespoons fresh lemon juice (about 1 lemon)
  • ¾ cup (175g) unsalted butter, melted and cooled
  • 1 teaspoon pure vanilla extract
  • 2 cups (260g) all-purpose flour, spooned and leveled
  • ½ teaspoon salt

For the lemon icing:

  • 1 cup (130g) powdered sugar
  • 1-2 tablespoons fresh lemon juice
  • lemon zest (optional for topping)

Instructions

Lemon brownies:

  1. Preheat your oven to 350°F. Butter an 8x8 inch baking pan and line the bottom and sides with parchment paper. Leave a little bit of excess parchment paper hanging over the sides to make it easier to pull the baked brownie out of the pan later!
  2. In a large bowl, combine granulated sugar, eggs, and lemon zest.

    - 1 ¼ cups (250g) granulated sugar, 3 large eggs, 2 tablespoons fresh lemon zest

  3. Using an electric mixer fitted with the beater attachment or a whisk by hand (it's QUITE a workout though!), whip together until the sugar is dissolved. This will take around 5 to 7 minutes by hand or 3 to 5 minutes with a mixer on medium speed. To test if it's ready, rub some of the mixture between your fingers. It shouldn't feel grainy.
  4. While mixing, slowly drizzle in your lemon juice followed by the melted butter and vanilla.

    - 3 tablespoons fresh lemon juice, ¾ cup (175g) unsalted butter, 1 teaspoon pure vanilla extract

  5. Add the flour and salt and mix together until just combined. Take care not to overmix!

    - 2 cups (260g) all-purpose flour, ½ teaspoon salt

  6. Pour the brownie batter into your prepared baking pan and spread into an even layer. Bake in the center of your preheated oven for 28 to 32 minutes or until a skewer inserted into the center comes out with a few fudgy, moist crumbs but no wet batter.
  7. Cool the brownies completely to room temperature in the pan.

Lemon icing:

  1. In a medium bowl, whisk together powdered sugar and 1 tablespoon of lemon juice until smooth. If needed, add more lemon juice to reach your desired consistency.

    - 1 cup (130g) powdered sugar, 1-2 tablespoons fresh lemon juice

  2. Pour the lemon icing over your cooled brownies. Sprinkle lemon zest on top.
  3. You can slice the brownies right away (but they will be messy!) For cleaner slices, let the icing set for about 1 hour or until firm to the touch before slicing and serving!

Equipment

Image of 8x8" Baking Pan

8x8" Baking Pan

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Image of KitchenAid Hand Mixer

KitchenAid Hand Mixer

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  • Prep Time: 20 minutes
  • Bake Time: 28 minutes
  • Category: Brownies

Did you make this recipe?

Tag me @eatsdelightfulblog on Instagram - I love seeing what you're making!

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Enjoy!


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  1. Lori says

    March 20, 2026 at 12:19 pm

    I made these yesterday and took them to game night. They were good but not what I expected. They are very dense like a brownie. It’s a strange consistency with lemon flavor. Not bad at all. But it was surprising. I probably should have expected that. BTW, I was careful not to over mix when I added the flour. I’m not sure I’ll make them again.

    Reply
  2. Roberta West says

    March 01, 2026 at 2:46 pm

    I was considering making these for a party next weekend so decided to give them a test run. THEY ARE DELICIOUS!! I will definitely make them for our party! Thank you for sharing.

    Reply
  3. Agatha says

    February 16, 2026 at 3:36 pm

    I made this once before and it was Delicious everyone LOVED it and I'm making it again I hope it's just as good!

    Reply
  4. Julia says

    June 23, 2025 at 2:29 pm

    Loved these so much!

    Reply
  5. Jessi says

    June 07, 2025 at 1:55 am

    They’re blondes but still so good

    Reply

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Hi, I'm Mimi! I'm a former finance professional, turned full-time content creator. Welcome to my little corner of the internet!

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