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    Home » Recipes » Brownies and Bars

    Homemade Lemon Bars

    Published: January 14, 2023 · Updated: January 14, 2023 · By: Krissy · 16 Comments
    This post may contain affiliate links. Please read my disclosure policy.

    Jump to Recipe Print Recipe

    Homemade Lemon Bars, also known as Lemon Squares, are a super sweet and tart bar cookie.

    The base is a rich and delicious lemon flavored buttery shortbread crust. The mixture on top is a creamy and heavenly lemon custard made from fresh lemons. The ratio of lemon to shortbread is perfect. A favorite among lemon desserts, this is the best lemon bar recipe you will find!

    stack of lemon bars

    Why this recipe works

    Classic lemon bars are always a hit. There's just something about a crisp shortbread crust covered with a tart lemon filling that will make you smile!

    • Simple ingredients: Lemons, eggs, butter, flour, and sugar are all that you'll need!
    • Perfect balance between sweet and tart. These lemon bars are definitely more on the tart side. There is definitely a sweetness to them, but the sour punch hits you first. Sort of like a Lemon Head candy, only a million times better.
    • Perfect size. I structured the recipe so that they would cook perfectly in a 9x9 inch square baking dish. There are a lot of recipes out there that call for a 9x13 inch baking dish that seem to produce squares that are thin. My preference is for thick, tall lemon bars.
    • The best ratio. My recipe has a thicker layer of lemon curd filling than shortbread. This was intentional because I really wanted the lemon layer to shine. I even added the lemon zest to the simple shortbread crust to ensure every last morsel was overflowing with lip-smacking make-your-mouth-pucker lemon flavor.

    Ingredients needed

    These are really easy to make. This recipe consists of two parts: the shortbread crust and the lemon layer.

    Shortbread crust

    • Butter: I always bake with unsalted butter since salt can always be added, if desired.
    • Sugar
    • All-purpose flour
    • Lemon zest: I use a microplane which works perfectly to remove the zest

    Lemon layer

    • Sugar
    • All-purpose flour
    • Eggs: Always use fresh, high-quality large eggs
    • Lemon juice: Freshly squeezed is always recommended but bottled will work
    ingredients needed to make lemon bars

    How to make lemon bars:

    Make Shortbread Crust

    1. Mix Dough. To make a perfectly sweet yet light and flaky shortbread crust, you must start with room temperature butter that gets whipped until light and fluffy. You can use a stand mixer with the paddle attachment to cream the butter. Then add in the sugar and beat the mixture until it is well mixed. Finally, you'll add the flour and the lemon zest and mix just until all of the flour appears to be somewhat coated with the butter.
    2. Parbake Crust. You will line a 9x9 baking pan with parchment paper or aluminum foil. Bake crust until it just starts to turn golden brown. This may take 20-25 minutes.
    butter and sugar creamed together for crust
    cream butter and sugar
    making shortbread crust for lemon bar recipe
    add flour and lemon zest
    shortbread crust dough
    blend until mixture forms
    shortbread crust in square pan
    press into pan and bake

    Prepare Lemon Filling and Bake

    1. Mix ingredients. While the crust bakes, you can mix together the lemon layer ingredients by hand using a large bowl and a whisk. Start by mixing the dry ingredients, flour and sugar, and then mix in the eggs and fresh lemon juice.
    2. Bake. Pour the tart lemon custard layer right on top of the warm crust. Then continue baking in the oven for another 20-25 minutes. They are done when the luscious lemon filling no longer jiggles.
    starting to mix ingredients for lemon bar filling
    whisk together flour and sugar
    lemon bar filling in glass bowl
    mix in eggs and lemon juice
    lemon bars in pan just before going into oven
    pour over baked crust
    freshly baked lemon bars in pan
    bake until set

    Slice and Serve

    1. Chill. After you remove the lemon bars from the oven, transfer the pan to a wire rack allow them to cool to room temperature. Then, place them to the refrigerator to chill.
    2. Slice. Lift the lemon bars out of the pan and set onto a cutting board. Generously dust with confectioners' sugar. Use a large sharp knife to make clean slices, and cut into individual servings.
    dusting lemon bars with powdered sugar
    Chill and dust with powdered sugar
    slicing homemade lemon squares
    Slice and serve

    Cooking tips for best results:

    • Lemon zest and juice: Always zest your lemons before you juice them. If you juice them first, the zest will be more difficult to remove.
    • Bake with parchment: Line a 9x9 pan with parchment paper, or a foil lined parchment, so that the finished bars easily lift out of the pan once done baking. This makes it easy to transfer them to a cutting board for easy cutting. Parchment paper also makes clean up a breeze. If you don't have parchment paper, foil will work.
    • Make them pretty: Sweetened and dried lemon slices added during the final minutes of cooking make these delicious lemon bars even prettier. I used to buy them at Trader Joe's, however they have since been discontinued. A dusting of powdered sugar is a must.
    • Lemon varieties: Regular lemons that are available year-round work well in this recipe. Meyer lemons are less acidic, slightly sweeter, and their zest is more aromatic. Either standard or Meyer lemons will work, however my preference is to use Meyer lemons.
    • Baking pan: You can use a metal, glass, or ceramic baking pan. Keep in mind that cooking times may vary, and the baked crust will be ready to come out of the oven faster in a metal pan than it would a ceramic or glass pan.
    cut lemon squares on black background

    Storage

    Lemon bars should be stored in an air-tight container and refrigerated. To prevent a skin from forming on top, place plastic wrap directly on top of the lemon squares.

    You can enjoy them cold or allow them to come to room temperature before eating.

    close up side view of homemade lemon bars

    More lemon recipes to love

    If the undeniable fresh flavor of lemon tickles your taste buds, then you should consider making some of these sweet and savory lemon inspired recipes!

    • Lemon Curd
    • Lemon Cupcakes
    • Lemon Meringue Pie
    • Creamy Meyer Lemon Pasta
    • Lemon Basil Salmon Patties
    • Lemon Pepper Chicken
    • Strawberry Rhubarb Lemonade
    • Lemon Blueberry Buttermilk Pancakes

    If you’ve made this or any other recipe on my site, let me know in the comment section how it turned out. I love hearing from my readers!

    You can also follow along on PINTEREST, FACEBOOK and INSTAGRAM to see more amazing recipes to satisfy any foodie craving!

    stack of homemade lemon bars

    Homemade Lemon Bars

    Homemade Lemon Bars, also known as Lemon Squares, are a super sweet and tart bar cookie. The base is a rich and delicious lemon shortbread. The top is a creamy and heavenly lemon custard layer. The ratio of lemon to shortbread is perfect. This is the best lemon bar recipe you will find!
    5 from 10 votes
    Print Pin Rate SaveSaved!
    Course: Dessert
    Cuisine: American
    Prep Time: 20 minutes
    Cook Time: 40 minutes
    cool time: 30 minutes
    Total Time: 1 hour
    Scale: 16 servings
    Recipe Created By: Krissy Allori

    Ingredients

    Shortbread crust:

    • ¾ cup butter (softened (¾ cup = 12 tablespoons) )
    • ⅜ cup granulated sugar (note: ⅜ cup equivalent to 6 Tablespoons (75 grams))
    • 1 ½ cups all purpose flour
    • zest from one lemon (equivalent to about 2 ½ teaspoons (5 grams) of zest)

    Lemon layer

    • 1 ½ cups granulated sugar
    • ¼ cup all purpose flour
    • 4 eggs (beaten)
    • ⅔ cup fresh squeezed lemon juice (may require 4-5 large lemons)
    • sweetened dried lemon slices (optional)
    • powdered sugar for dusting

    Instructions

    • Preheat oven to 350°F.

    Mix and bake crust

    • In a medium bowl or your stand mixer with the paddle attachment, cream butter until light and fluffy. Add the sugar and beat until well blended. Add flour and lemon zest and blend just until a crumb mixture forms.
      shortbread crust dough
    • Press into the bottom of an ungreased parchment lined 9x9 inch pan. Bake shortbread for 20-25 minutes in the preheated oven, or until firm and golden. 
      shortbread crust in square pan

    Make filling and bake

    • While the crust is cooking, whisk together the remaining 1 ½ cups sugar and ¼ cup flour in a separate bowl. Whisk in the eggs and lemon juice. Pour over the baked crust.
      lemon bars in pan just before going into oven
    • Bake for an additional 20-25 minutes. If adding sweetened dried lemon slices, press them into the top a few minutes before the baking is complete. Remove from oven and allow bars to cool to room temperature.
      freshly baked lemon bars in pan

    Chill and slice

    • Transfer pan to the refrigerator and allow bars to chill. The bars will firm up as they cool.
    • Once chilled, remove from pan. Optional: dust with powdered sugar.
      dusting lemon bars with powdered sugar
    • To serve, cut into nine 3-inch squares for large lemon bars or 16 smaller 2-inch squares.
      slicing homemade lemon squares

    Notes

    serving size is one 2-inch bar

    NUTRITION INFORMATION

    Calories: 237kcal | Carbohydrates: 35g | Protein: 2g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 63mg | Sodium: 92mg | Potassium: 43mg | Sugar: 23g | Vitamin A: 325IU | Vitamin C: 4mg | Calcium: 10mg | Iron: 0.9mg
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    This recipe was originally published in January 2018 and has been updated with helpful information, ingredient and process photos, as well as recipe tips. Don't worry - the recipe hasn't changed!

    Reader Interactions

    Comments

    1. Mary Bond

      May 13, 2022 at 9:55 am

      The recipe says 1;3 cup flour but the instructions says 1/4 cup flour. Wondering which is it

      Reply
      • Krissy

        May 15, 2022 at 5:38 am

        I'm so sorry about that! I've corrected the recipe. Should be 1/4 cup (although the difference is super negligible so either would work). Thank you for pointing out that typo!

        Reply
    2. Jay

      May 21, 2021 at 10:32 am

      Ingredient amounts?

      Reply
      • Krissy

        June 02, 2021 at 5:21 am

        they're all listed in the recipe card

        Reply
    3. Linda English

      January 25, 2021 at 8:56 am

      Would I be ok using keto almond crust as hubby is diabetic

      Reply
      • Krissy

        January 30, 2021 at 7:03 am

        That sounds like it will be amazing. There's a lot of sugar in the filling though.

        Reply
    4. Vicky

      January 21, 2020 at 6:53 pm

      5 stars
      Awww! Lemon anything is a favorite! These are absolutely beautiful!!

      Reply
    5. Kelley

      January 21, 2020 at 6:33 pm

      5 stars
      These are my favorite! They always turn out perfect.

      Reply
    6. Anita

      January 21, 2020 at 5:14 pm

      5 stars
      Just in time to enjoy the Meyer lemons. I just got one big bag from Costco and I know what I will be baking tonight. 🙂

      Reply
    7. sherry brubaker

      January 21, 2020 at 4:50 pm

      5 stars
      I have a serious weakness for these lemon bars! The shortbread is perfectly sweet and the lemon portion is tangy and flavorful!

      Reply
    8. stephanie

      January 21, 2020 at 4:08 pm

      5 stars
      These lemon bars are so good, perfect amount of tart.

      Reply
    9. Lisa Huff

      June 06, 2019 at 4:07 am

      5 stars
      That lemon slice on top! Gorgeous! Such a great dessert for this time of year.

      Reply
    10. Lyndsay

      June 05, 2019 at 6:59 pm

      5 stars
      Delicious Lemon Bars! The ratio of lemon to shortbread is absolutely perfect! Will be making again 🙂

      Reply
    11. Lisa

      June 05, 2019 at 4:48 pm

      5 stars
      I'm such a fan of lemon bars this time of year and this recipe looks amazing! Yum!

      Reply
    12. Sara Welch

      June 05, 2019 at 3:45 pm

      5 stars
      What a delicious dessert! The lemon isn't overpowering but is perfectly rich and sweet; perfect for spring and summer!

      Reply
      • Vera

        June 27, 2021 at 8:14 am

        FYI...took a little of the crust, rolled into a ball, flattened &baked on the cookie sheet beside the bars. Delicious shortbread cookies

        Reply

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