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These easy Lemon Bars are bright, buttery, silky, and just the right amount of sweet-tart. They start with a rich brown butter shortbread crust, get topped with a smooth fresh lemon filling, and finish with a snowy dusting of powdered sugar and a tiny sprinkle of flaky sea salt. Classic lemon bars, but with a little bakery-style upgrade.
Kellie’s Note
Squeeze The Day
I love making these Lemon Bars when I want something simple that still feels a little fancy. They are the kind of dessert that looks sunny and cheerful on a platter, travels well, and somehow tastes just as good at a spring brunch as it does after a backyard barbecue.
What makes this Lemon Bars Recipe a little different is the crust. Instead of plain melted butter, I brown the butter first so the shortbread base has that nutty, caramel-y flavor that makes people stop and say, “Wait, what is in these?” Then the filling stays classic: fresh lemon juice, lemon zest, eggs, sugar, and just enough flour to help it set into that soft, sliceable lemon layer.
The result is the best kind of Lemon Bar recipe: easy, simple, classic, and balanced. Tart but not too puckery. Sweet but not overly so. Buttery but still bright. Basically, the perfect little square of sunshine.
Why You’ll Love My Lemon Bars
These Lemon Bars are everything I want in a classic dessert bar: simple to make, easy to slice, and packed with bright lemon flavor.
Here’s why this recipe works so well:
- Brown butter makes the crust better. It gives the shortbread a deeper, toastier flavor without making the recipe complicated.
- Fresh lemon juice keeps the filling bright. Bottled lemon juice just does not give you that same sunny, fresh flavor.
- Vanilla softens the tartness. A little vanilla bean paste or extract rounds everything out so the lemon tastes bold, not harsh.
- The texture is perfect. The crust is tender and buttery, while the filling is smooth, silky, and just set.
- It is make-ahead friendly. Lemon bars need time to chill, which makes them great for parties, holidays, showers, brunches, and summer cookouts.
- That flaky sea salt finish is optional, but so good. It makes the lemon flavor pop and balances the sweetness in the best way.
Ingredients For Lemon Bars
You only need a few baking basics for these Lemon Bars with Shortbread Crust, but each one has a job to do.
- Unsalted Butter: Browning the butter gives the crust a rich, nutty flavor. Regular melted butter works, too, but brown butter makes these extra special. Salted butter can be used; just reduce the added salt.
- All-Purpose Flour: Gives the crust its classic shortbread texture. A 1:1 gluten-free flour blend can be used, though the crust may be a little more delicate.
- Granulated Sugar: Adds just enough sweetness without making the crust too cookie-like. Powdered sugar can be swapped in for a softer, more tender crust.
- Salt and Vanilla: Salt balances the sweetness, while vanilla adds warmth. Vanilla bean paste also works beautifully here.
- Granulated Sugar: Balances the tart lemon flavor and helps create that smooth filling. I don’t recommend cutting it back too much.
- All-Purpose Flour: Helps the lemon layer set so the bars slice cleanly. A cup-for-cup gluten-free flour blend should also work.
- Eggs: The key to that silky, custardy texture. I don’t recommend an egg substitute for this recipe.
- Fresh Lemon Juice and Zest: Fresh lemons are a must for the brightest flavor. The juice adds tartness, while the zest adds big lemon flavor without extra liquid.
- Vanilla Bean Paste and Salt: Vanilla rounds out the sharp lemon flavor, and a pinch of salt keeps everything balanced. Vanilla extract works just fine, too.
- Powdered Sugar: The classic lemon bar topping. Dust it on right before serving for the prettiest finish.
- Flaky Sea Salt: Optional, but so good. A tiny sprinkle makes the sweet-tart lemon flavor pop.
How to Make Lemon Bars
This Easy Lemon Bars recipe is simple, but a few small details help you get that perfect buttery crust and smooth lemon filling.
- Brown the butter. Melt the butter in a saucepan over medium heat, stirring often. It will foam, then turn golden brown and smell nutty and toasted. Once you see those little brown bits at the bottom, remove it from the heat and let it cool slightly.
- Make the shortbread crust. Stir together the crust ingredients until a soft dough forms. Press it evenly into a parchment-lined 9×9 -inch baking pan, making sure to get it into the corners. The dough should look smooth and compact, not crumbly or loose.
- Bake the crust. Bake until the edges are lightly golden and the kitchen smells buttery and warm. The crust should look set before the filling goes on top.
- Whisk the filling. Whisk together the sugar, flour, eggs, fresh lemon juice, lemon zest, vanilla, and salt until smooth. Try not to whip a ton of air into it; you want a silky filling, not a bubbly one.
- Pour over the warm crust. Add the lemon filling while the crust is still warm. This helps the filling settle evenly over the crust and bake into a clean, smooth layer.
- Bake until just set. The edges should be set and the center can have a slight jiggle. Do not overbake or the filling can lose that soft, custardy texture.
- Cool and chill. Let the bars cool completely, then refrigerate until cold. This step is what gives you clean slices, so don’t rush it.
- Finish and slice. Lift the bars out of the pan using the parchment, dust with powdered sugar, add a small sprinkle of flaky sea salt if using, and slice into squares.
How to Store Lemon Bars
Lemon Bars are one of my favorite make-ahead desserts because they actually get better once they have time to chill.
- Store lemon bars in an airtight container in the refrigerator for up to 5 days. If stacking them, place parchment paper between the layers so the tops stay pretty.
- For the cleanest look, wait to dust with powdered sugar until just before serving. Powdered sugar tends to melt into the lemon filling as the bars sit, which is totally fine flavor-wise, just not as picture-perfect.
- You can also freeze lemon bars. Place the sliced bars on a baking sheet and freeze until firm, then transfer them to an airtight freezer-safe container with parchment between layers. Freeze for up to 2 months. Thaw in the refrigerator before serving and dust with powdered sugar after thawing.
Kellie’s Tips for the Best Lemon Bars
- Use fresh lemons. Fresh lemon juice and zest are what give these bars their bright, clean flavor.
- Do not skip the parchment. It makes the bars so much easier to lift out of the pan and slice neatly.
- Brown the butter carefully. Butter can go from golden and nutty to burned quickly, so keep an eye on it once it starts to smell toasted.
- Press the crust firmly. A compact crust gives you a sturdy base that holds up under the lemon filling.
- Pour the filling over a warm crust. This helps the layers bake together nicely and keeps the filling from slipping around.
- Do not overbake. The filling should be set around the edges with a slight wobble in the center. It will continue to firm up as it cools.
- Chill before slicing. Warm lemon bars are too soft to cut cleanly. Cold bars slice into perfect squares.
- Wipe the knife between cuts. This is the secret to neat bakery-style lemon bars.
- Dust with powdered sugar at the end. Add it right before serving so it stays light and pretty.
- Try the flaky salt. I know it sounds a little extra, but it makes the sweet-tart lemon flavor shine.
What to Serve with Lemon Bars
Lemon Bars are bright, buttery, and sweet-tart, so they pair well with simple drinks and fresh flavors.
Serve them with:
- Hot coffee or iced coffee
- Dirty Chai Latte
- Fresh berries
- Whipped cream
- Vanilla ice cream
- Strawberry lemonade
- Fresh fruit salad
- A brunch spread with quiche, muffins, and fresh fruit
- A dessert tray with brownies, cookies, and other easy bars
They are also perfect for Easter, Mother’s Day, bridal showers, baby showers, summer parties, picnics, and potlucks.
More Easy Dessert Recipes
If you love these Easy Lemon Bars, try a few more simple dessert favorites:
- Lemon Blueberry Cake
- Strawberry Shortcake
- Lemon Ricotta Cake
- Chocolate Chip Cookie Bars
- No Bake Cheesecake
- Easy Chocolate Mousse
Easy Lemon Bar Recipe
These easy Lemon Bars have a rich brown butter shortbread crust, a smooth fresh lemon filling, and the perfect sweet-tart balance. Finished with powdered sugar and a tiny sprinkle of flaky sea salt, this classic lemon bar recipe is simple, bright, buttery, and perfect for making ahead.
Equipment
- 9×9 inch baking dish
- 2 mixing bowls
- measuring cup
- measuring spoons
Ingredients
For the Brown Butter Shortbread Crust
- 1 cup unsalted butter
- 2 cups all-purpose flour
- 1/2 cup granulated sugar
- 1/4 teaspoon salt
- 1 teaspoon vanilla extract
For the Lemon Filling
- 1 1/2 cups granulated sugar
- 1/4 cup all-purpose flour
- 4 large eggs
- 2/3 cup fresh lemon juice, about 3 to 4 lemons
- 1 tablespoon lemon zest
- 1 teaspoon vanilla bean paste, or vanilla extract
- Pinch of salt
For Finishing
- Powdered sugar, for dusting
- Flaky sea salt, optional but recommended
Instructions
- Add the butter to a saucepan over medium heat. Cook, stirring often, until the butter foams, turns golden brown, and smells nutty, about 5 to 7 minutes. Remove from the heat and let cool slightly.
- Preheat the oven to 350°F. Line a 9×9 -inch baking pan with parchment paper, leaving a little overhang to make the bars easy to lift out.
- In a large bowl, stir together the flour, sugar, and salt. Add the browned butter and vanilla, then mix until a soft dough forms.
- Press the dough evenly into the prepared baking pan. Bake for 18 to 20 minutes, or until the crust is lightly golden around the edges.
- While the crust bakes, whisk together the sugar and flour in a large bowl. Add the eggs, lemon juice, lemon zest, vanilla bean paste, and salt. Whisk until smooth.
- Pour the lemon filling over the warm crust. Return the pan to the oven and bake for 25 to 30 minutes, or until the filling is set around the edges and the center has just a slight jiggle.
- Let the lemon bars cool completely at room temperature, then refrigerate for at least 2 hours before slicing.
- Lift the bars from the pan using the parchment paper. Dust with powdered sugar, sprinkle lightly with flaky sea salt if using, and cut into squares.
Notes
- Fresh lemon juice is best for this recipe. Bottled lemon juice will not give the filling the same bright, clean flavor.
- Let the brown butter cool slightly before mixing the crust so it is warm, not piping hot.
- For the cleanest slices, chill the lemon bars completely before cutting and wipe the knife between each slice.
- Dust with powdered sugar just before serving. If added too far in advance, it will absorb into the lemon filling.
- Flaky sea salt is optional, but a very small sprinkle helps balance the sweetness and makes the lemon flavor pop.
- Store lemon bars in an airtight container in the refrigerator for up to 5 days.
- Lemon bars can be frozen for up to 2 months. Thaw in the refrigerator and dust with powdered sugar before serving.
Nutrition
Calories: 501kcal, Carbohydrates: 70g, Protein: 6g, Fat: 23g, Saturated Fat: 14g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 6g, Trans Fat: 1g, Cholesterol: 127mg, Sodium: 96mg, Potassium: 88mg, Fiber: 1g, Sugar: 45g, Vitamin A: 737IU, Vitamin C: 8mg, Calcium: 24mg, Iron: 2mg
Nutrition information is automatically calculated, so should only be used as an approximation.
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