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    Home ยป Recipes ยป Bars & Brownies

    Lemon Bars

    September 21, 2020 By Sam 100 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
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    collage of lemon bars, top image is of bars stacked, bottom left image is of lemon filling inside pot, bottom right image is of filling being poured in prepared pan

    The best Lemon bars (lemon squares) recipe! Mine have a crisp, buttery crust that’s guaranteed to not be soggy and a tart lemon curd topping. My recipe is a bit different from traditional recipes, but I think you’ll love the results! Recipe includes a how-to video!

    stack of 4 lemon bars

    I avoided lemon bars for the longest time because I just never really enjoyed them. Too often they have a not-so-pretty, dimpled top (which can at least be covered with a dusting of powdered sugar) and a much too-soft, almost soggy “crust”. If that’s what you’re looking for, I’m afraid you’re going to be disappointed with the recipe that I have today.

    My lemon bars have a firm, crisp, buttery crust and a gloriously smooth lemon curd topping . They’re beautiful with or without powdered sugar on top, just tart enough to make your mouth pucker before the first bite, and so addictive you can’t possibly eat just one.

    They’re a little bit more work than your average recipe, which I’m not exactly bragging about because who really wants to do more work than they have to? But as I told you with my super easy Madeleines, I promise not to make you do any steps that aren’t really worth it, but I will make you do the work when it means better results. Here it does. The lemon curd is cooked separately, and I’ll talk more about why later on.

    What You Need

    Lemon bars use simple, basic ingredients that you probably already have on hand:

    ingredients for lemon bars
    Ingredients
    • Butter. Unsalted is best. This is used in both our shortbread crust and to make our lemon curd silky smooth with a rich mouthfeel.
    • Flour. For the crust. Many lemon bar recipes thicken their topping with flour as well, but because of the technique I’m using of cooking ours separately, we’re able to thicken it without flour, keeping it extra tart.
    • Eggs. Quite a few, as you can see! For the most part we will only be using the yolks. One goes into the crust to tenderize and enrich it, while the rest are for the curd. Save your egg whites to make meringues, zebra cake, or several batches of candied pecans or candied walnuts!
    • Salt. A pinch for flavor.
    • Vanilla Extract. A splash of vanilla is mixed with the egg yolk and blitzed into the crust to enhance the flavor and sweetness. It does not go in the lemon curd where it would bully and subdue our otherwise bright lemon flavor.
    • Lemon Juice. Fresh-squeezed is always best, but I’ve successfully made these using bottled 🤫

    As always, this is just an overview of the ingredients chosen and why. Please scroll to the recipe for amounts and full instructions.

    crumbly crust dough in food processor

    A Crisp Shortbread Crust

    To keep things simple, I make my crust in the food processor. If you don’t have one, you can use a pastry cutter instead and cut the butter into your flour (but really, get a food processor, I link to the one I use in the recipe card and use it in so many staple recipes, like my pie crust and scones!). 

    Your shortbread crust dough will be really crumbly (see photo above) but should hold together if a spoonful of it is pressed between your thumb and forefinger. If you process it too much it makes it harder to spread the crust into the pan (especially if you’re trying to spread over parchment).

    While the method that I use to make the crust is important and does contribute to its crisp texture, what really keeps it from becoming soggy is the lemon bar topping that I use…

    pouring lemon curd over shortbread crust

    Lemon Curd: An Extra Step for Best Results

    For a crisp, buttery, not-at-all-soggy shortbread crust, we have to do things a bit differently. With many recipes, the eggs are mixed up with the lemon juice and some sugar and flour and poured directly over the crust. It’s a very thin, wet mixture and the liquid is absorbed by the crust, making it very soft.

    To remedy this, I cook my lemon curd before pouring it over the crust. I essentially used a sweeter version of my lemon curd recipe, cooking it until thickened on the stovetop. If you’re like me and want a crisp crust, then this extra step of cooking the curd separately is worth it for buttery, crisp-bottomed lemon bars. After thickening, pour it over the crust and bake again briefly. You only need a few more minutes in the oven, which will cause the egg yolks to re-bind and keeps the topping from being runny.

    Note: If your curd was too loose when you poured it over your crust, you may need more time in the oven than indicated. When finished baking, the lemon layer should be set and just barely jiggly if the pan is jostled.

    lemon square on marble

    Key Tips

    • Don’t bake in aluminum foil or directly in an aluminum pan. Aluminum will react with the acidic lemon juice and give the bars a metallic taste and can even affect the color.
    • For a softer (but still not soggy!) crust, bake for only 15 minutes and edges are not golden brown.
    • Always strain your lemon curd before using! This will catch any lumps or tiny bits of cooked egg.
    • If you use a glass pan the lemon bars will need more time in the oven to bake completely.

    Storing

    Keep refrigerated in an airtight container and enjoy within one week. I actually prefer my lemon bars to be at room temperature rather than cold (the crust just tastes better that way!) so I like to set one or two out for about an hour before enjoying. They may be frozen for up to several months.

    More Recipes You Might Enjoy:

    • Lemon Cake
    • Lemon Brownies
    • Lemonade
    • Lemon Poppy Seed Muffins

    Enjoy!

    Let’s bake together! Be sure to check out my video in the recipe where I’ll show you exactly how I make this recipe in my own kitchen! 

    stack of 4 lemon bars

    Lemon Bars

    Sweet and tart lemon bars with a crisp and buttery shortbread crust and a tart lemon curd topping! Be sure to check out the how-to video!
    4.91 from 32 votes
    Print Pin Rate
    Prevent your screen from going dark
    Course: Dessert
    Cuisine: American
    Prep Time: 45 minutes minutes
    Cook Time: 35 minutes minutes
    Chilling Time: 2 hours hours
    Total Time: 3 hours hours 20 minutes minutes
    Servings: 16 bars
    Calories: 257kcal
    Author: Sam Merritt

    Ingredients

    Crust

    • 1 ½ cups (190 g) all-purpose flour
    • ⅓ cup (70 g) granulated sugar
    • 1 ½ teaspoons cornstarch
    • ¼ teaspoon salt
    • 10 Tablespoons (141 g) unsalted butter very cold and cut into small cubes
    • 1 large egg yolk
    • ½ teaspoon vanilla extract

    Lemon Curd

    • 2 large whole eggs
    • 4 large egg yolks
    • ½ cup (120 ml) fresh lemon juice
    • 1 cup (200 g) granulated sugar
    • ⅛ teaspoon salt
    • ½ cup (113 g) unsalted butter cut into 8 pieces
    • Powdered sugar for dusting

    Recommended Equipment

    • 9x9 baking pan
    • Food Processor
    • Fine Mesh Strainer

    Instructions

    Crust

    • Preheat oven to 325F (160C) and line a 9x9” square baking pan with enough parchment paper (do not use aluminum foil) so that some is hanging over the sides (you want to be able to lift the bars out of the pan once they’ve cooled completely).
    • To prepare your cookie crust, combine flour, sugar, cornstarch, and salt in the basin of a food processor¹ and pulse until well combined.
      1 ½ cups (190 g) all-purpose flour, ⅓ cup (70 g) granulated sugar, 1 ½ teaspoons cornstarch, ¼ teaspoon salt
    • Scatter butter pieces evenly over the dry ingredients and pulse until the mixture just begins to clump together (about 10 1-second pulses). In a small dish, whisk together egg yolk and vanilla and pour over dry ingredients. Pulse again until mixture begins to cling together. It will still be crumbly, but if you press the dough together with your thumb and forefinger it should hold together (about 18 1-second pulses).
      10 Tablespoons (141 g) unsalted butter, 1 large egg yolk, ½ teaspoon vanilla extract
    • Pour dough/crumbles into the bottom of your prepared pan and use your hands or the back of a spoon to press evenly into the bottom of the pan to form an even crust (I like to place a piece of wax paper over the dough and then smooth it with a spoon for an even layer, see my video for a visual of how I do this).
    • Transfer to 325F (160C) oven and bake for 25 minutes or edges are beginning to turn light golden brown. While crust is baking, prepare your lemon topping.

    Lemon Curd

    • While the crust is baking, combine eggs, egg yolks, lemon juice, sugar, and salt in a medium-sized saucepan. Add butter and transfer to the stovetop over medium/low heat. Stir constantly (do not let the curd boil) until thickened and mixture coats the back of a spoon.
      2 large whole eggs, 4 large egg yolks, ½ cup (120 ml) fresh lemon juice, 1 cup (200 g) granulated sugar, ⅛ teaspoon salt, ½ cup (113 g) unsalted butter
    • Remove from heat and immediately pour through a fine mesh strainer into a heatproof bowl.
    • Once crust has finished baking, use a fork to poke holes over the crust, only piercing about halfway into the crust. Pour curd evenly over the surface of the crust and return to 325F (160C) oven and bake for another 10-15 minutes or until topping is set and only slightly jiggly in the center.
    • Allow to cool to room temperature, then transfer to fridge to cool completely, about 2 hours. Use the overhanging parchment to lift the bars out of the pan and then dust evenly with powdered sugar and cut into squares before serving.
      Powdered sugar for dusting

    Notes

    ¹If you don’t have a food processor you can use a pastry cutter instead. Combine all dry ingredients and then cut butter into the mixture until it resembles coarse crumbs. Whisk together egg yolk and vanilla and then stir well into the batter. It will take a bit more work to do by hand, but mixture will come together with some effort.

    Nutrition

    Serving: 1slice | Calories: 257kcal | Carbohydrates: 28g | Protein: 3g | Fat: 15g | Saturated Fat: 9g | Trans Fat: 1g | Cholesterol: 116mg | Sodium: 68mg | Potassium: 41mg | Fiber: 1g | Sugar: 19g | Vitamin A: 508IU | Vitamin C: 3mg | Calcium: 17mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!
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    Reader Interactions

    Comments

    1. Cathy Kahn

      April 18, 2025 at 3:48 pm

      5 stars
      Delicious! Best lemon bars I have made. The crust stays crunchy.

      Reply
      • Sam

        April 21, 2025 at 11:19 am

        I’m so glad you enjoyed them so much, Cathy! ๐Ÿ™‚

        Reply
    2. Matthew Cox

      April 09, 2025 at 3:21 pm

      5 stars
      I left a long love letter to the SSR team under the Reese’s stuffed cookie comments. I listed some of our faves but I mistakenly failed to mention this. These bars are so good they are beyond description. Borrowing from Garrison Keillor – these bars “were sent down from heaven so we would know what it was like when we got there.” I bite down, and close my eyes, and thank the universe for the moment. Even the fussiest eaters ask me for the recipe. Get some lemons, make this recipe (exactly as described), and now you have one more thing to be thankful for.

      Reply
      • Sam

        April 10, 2025 at 12:58 pm

        Your comment left a big smile on my face. ๐Ÿ™‚ I’m glad you are enjoying everything. ๐Ÿ™‚

        Reply
    3. Dee

      December 14, 2024 at 10:33 pm

      2 stars
      a good way to use up extra egg yolks but I found there to be WAY too much crust. The texture on these is very different from traditional lemon bars and they do not hold up well at all in cookie boxes or holiday plates. The curd lacks lemon flavor when made as written.

      Reply
      • Sam

        December 15, 2024 at 9:29 pm

        Hi Dee! I’m sorry you didn’t enjoy them. I’m really surprised they didn’t hold up very well in a cookie box. The shortbread is supposed to be nice and crisp. ๐Ÿ™

        Reply
    4. Janis

      December 14, 2024 at 1:09 pm

      5 stars
      These are excellent! Need to double recipe next time

      Reply
      • Sam

        December 15, 2024 at 9:29 pm

        I’m so glad you enjoyed them so much, Janis! ๐Ÿ™‚

        Reply
    5. Duy

      December 08, 2024 at 6:11 pm

      5 stars
      Hello Sam, I have made your lemon bar recipe several on numerous occasions, and I must say that this recipe yields absolutely divine results. The food processor saves time and effort, the 50-50 crust to filling ratio is perfect for my taste, and my guests love devouring these until they’re all gone. These were the first dessert to disappear at a party. Simply perfection!

      Reply
      • Sam

        December 09, 2024 at 7:59 am

        I’m so glad you’ve enjoyed them so much! ๐Ÿ™‚

        Reply
    6. Violeta Talandis

      August 17, 2024 at 3:28 am

      5 stars
      Iโ€™ve made this a couple times, itโ€™s fantastic. The fresh lemon juice is amazing. Big hit with guests. You can freeze it too, it holds very well .

      Reply
      • Emily @ Sugar Spun Run

        August 19, 2024 at 9:42 am

        So glad you like the recipe, Violeta! Enjoy ๐Ÿฉท

        Reply
    7. Caryn Ellis

      June 08, 2024 at 2:50 pm

      5 stars
      how do i make this using a 9×13 pan?

      Reply
      • Sam

        June 09, 2024 at 9:41 pm

        Hi Caryn! You would want to increase the recipe by 50%. I’m not sure on a bake time though.

        Reply
    8. Melissa

      April 03, 2024 at 9:44 pm

      5 stars
      This is AMAZING! The crust is thick, has great texture and is very tasty. The filling is tart and delicious. Perfect recipe. Thank you!!

      Reply
      • Sam

        April 04, 2024 at 9:55 am

        I’m so glad you enjoyed them so much, Melissa! ๐Ÿ™‚

        Reply
        • Jennifer

          August 02, 2024 at 11:59 pm

          think I made the curd a little undercooked ๐Ÿ˜… yours looked thick and mine is a bit slimy still.

        • Sam

          August 06, 2024 at 11:44 am

          Oh no! I’m so sorry to hear this happened! That’s an easy fix for next time. ๐Ÿ™‚

        • Courtney S

          November 10, 2024 at 9:11 pm

          Amazing recipe – the lemon flavour was insanely good and the crust tasted just like a shortbread cookie. I also appreciate how detailed your recipes are, the how-to videos and the measurements in grams! Makes it super easy.

        • Sam

          November 11, 2024 at 6:58 am

          I’m so glad you enjoyed them so much, Courtney! ๐Ÿ™‚

    9. Marla

      November 21, 2023 at 8:07 am

      Hi Sam, Iโ€™m excited to make these lemon bars tonight, but had a question. I only have Calphalon pans, will this be a problem in making the lemon curd? Iโ€™m worried about a metallic reaction.

      These look wonderful!

      Reply
      • Sam

        November 21, 2023 at 9:31 pm

        Hi Marla! If I’m not mistaken, calphalon has a coating on it, correct? I believe it does and is non-reactive, which means it should be fine for preparing the curd. If you’re still concerned about it, you could use a glass pyrex bowl and make a double boiler and make the curd in that. I hope that helps!

        Reply
    10. LauraB

      October 20, 2023 at 10:10 am

      Hi Sam,
      I love your site and recipes! I just have a question. I have pre-made curd that I bought oversees. About how much does this recipe make overall if I wanted to use my curd instead of making it?

      Thanks!

      Reply
      • Sam

        October 20, 2023 at 4:19 pm

        Hi Laura! Honestly I have not measured it out after making so I can’t say for sure.

        Reply
        • Cassandra Elmechali

          November 06, 2023 at 2:04 pm

          5 stars
          I made these today and they are delicious!

        • Sam

          November 06, 2023 at 9:04 pm

          I’m so glad you enjoyed them, Cassandra! ๐Ÿ™‚

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