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Lemon Bars are the sunshine yellow dessert that disappears first at every party, with a buttery shortbread crust and a thick, tangy lemon filling that hits that perfect sweet tart balance. I make a pan whenever I need a guaranteed crowd pleaser, and the day Maddie declared them better than the bakery version on a bright spring afternoon was the day this recipe earned its permanent spot. If you love a citrus dessert, our lemon blueberry trifle is another family favorite.
Fresh lemon juice and real zest are the secret to that bold, bakery worthy citrus punch.
Lemon Bars Quick Look
- 🕒 Prep Time: 15 minutes
- 🌡️ Cook Time: 52 minutes
- ⏳ Total Time: 4 hours 7 minutes
- 🍽️ Serving: 15 bars
- ⚡ Calories: 326kcal
- 🌶️ Flavor Profile: Buttery shortbread, bright lemon, and sweet tart balance
- ✋ Difficulty: Easy, a classic bar dessert like our sopapilla cheesecake bars
Quick Answer
Mix flour, butter, powdered sugar, and salt into a shortbread crust, press it into a parchment lined pan, and bake until the edges are just golden. Whisk together granulated sugar, flour, eggs, lemon zest, and fresh lemon juice for the filling, then pour it over the warm crust. Bake until the center is just set, chill for at least four hours, then dust with powdered sugar and cut into bars.
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Why This Recipe Works
Click to see the technique science
- A shortbread crust holds up to the filling. Pressing a buttery flour and powdered sugar crust gives you a sturdy, melt in your mouth base that does not turn soggy under the tangy filling.
- Poking the crust anchors the filling. Fork holes in the warm crust let the lemon filling grip on, so the layers bake together instead of separating.
- Flour in the filling sets it perfectly. A few tablespoons of flour whisked into the filling helps it set into clean, sliceable bars with a soft custard texture.
- Fresh lemon juice and zest do the work. Real juice and zest deliver bright, natural citrus flavor that bottled juice simply cannot match.
- A long chill makes clean cuts. Chilling the bars for at least four hours firms up the filling so every square comes out neat and bakery sharp.
Why You’ll Love This Recipe
- That sweet tart lemon filling over buttery shortbread is pure citrus bliss, and it tastes like it came straight from a fancy bakery.
- They feed a crowd from one pan and travel well, making them perfect for potlucks, showers, and Easter dessert tables.
- If you cannot get enough lemon, pair them with our lemon lime angel food cupcakes for a citrus dessert spread.
Key Ingredients
Just a handful of simple ingredients, split between the crust and the filling. Here is what each one does.
- Butter: Softened butter is the heart of the shortbread crust, giving it that rich, tender, melt in your mouth texture.
- Fresh lemon juice and zest: The stars of the filling. Always use fresh, never bottled, for that bright, real citrus flavor and aroma.
- Granulated and powdered sugar: Powdered sugar keeps the crust tender, while granulated sugar sweetens and balances the tart filling.
- Eggs: Room temperature eggs give the filling its rich, custardy body and help it set into clean bars.
- All purpose flour: Builds the crust and thickens the filling so the bars slice neatly, just like the base of our Easter cookie bars.
See recipe card for exact quantities.
Variations and Substitutions
This classic is easy to make your own. Try one of these twists.
- Berry swirl: Drop spoonfuls of raspberry or blueberry puree over the filling and swirl before baking.
- Lime or orange: Swap the lemon for lime or orange juice and zest for a different citrus spin.
- Coconut crust: Add shredded coconut to the shortbread for a tropical twist, like our cheesecake bars.
- Extra tangy: Add an extra tablespoon of zest to the filling for an even bolder lemon punch.
- Gluten free: Use a one to one gluten free flour blend in both the crust and filling.
How to Make Lemon Bars
- Mix the flour, softened butter, powdered sugar, and salt until a soft crust dough forms.
- Press the crust evenly into a parchment lined 9 by 13 dish and bake at 325 degrees for 22 to 24 minutes, until the edges are just golden.
- Take the crust out and poke holes all over with a fork, without going all the way through.
- Whisk the granulated sugar and flour together, then whisk in the eggs and lemon zest until combined.
- Whisk in the fresh lemon juice until the filling is smooth and bright yellow.
- Pour the filling over the warm crust and bake 25 to 28 minutes until just set with a slight jiggle in the center. Cool, then chill at least 4 hours before dusting and cutting.
Recipe Tips & Tricks
- Use room temperature eggs. They blend into the filling more smoothly and help it bake up silky instead of grainy.
- Pour the filling over a warm crust. Adding the filling while the crust is still warm helps the two layers bond together.
- Do not overbake the filling. Pull the bars when the center still has a slight jiggle, it will firm up as it chills.
- Chill fully before cutting. At least four hours, or overnight, gives you clean, sharp edges instead of a gooey mess.
- Wipe the knife between cuts. A clean, warm knife gives you bakery worthy squares every time.
- Dust right before serving. Powdered sugar melts into the bars over time, so add it just before they hit the table.
Serving Ideas and Suggestions
These lemon bars are a showstopper on any dessert spread. Arrange them on a tiered stand with our lemon lime angel food cupcakes and a bowl of fresh berries for a bright, citrus forward party table.
For a cozy contrast, serve a square next to a rich treat like our fudgy brownies so guests can pick their lane. They are also lovely alongside a lemon blueberry trifle for the lemon lovers.
A simple cup of tea or hot coffee is the perfect partner for that sweet tart filling. For spring brunches and Easter, lemon bars are an absolute classic that everyone reaches for.
Lemon Bars FAQs
Runny lemon bars usually mean they were underbaked or not chilled long enough. Bake until the center has just a slight jiggle, then chill for at least four hours so the filling sets completely.
Yes, they are a great make ahead dessert. Bake and chill them up to two days in advance, keep them covered in the fridge, and dust with powdered sugar right before serving.
Store lemon bars in an airtight container in the refrigerator for up to four days. Keep a sheet of parchment between layers so they do not stick together.
Absolutely. Freeze the cut bars in a single layer, then transfer to a freezer container for up to three months. Thaw in the fridge and dust with fresh powdered sugar before serving.
Fresh lemon juice is strongly recommended for the brightest flavor. Bottled juice can taste flat or slightly bitter, and you would miss out on the zest that gives these bars their punch.
A 9 by 13 inch baking dish gives you 15 generous bars with the classic crust to filling ratio. Lining it with parchment makes lifting and cutting them a breeze.
Craving more citrus? Make our refreshing lemon blueberry trifle next.
For more lemon goodness, try our bright, tangy Lemon Cheesecake.
If you love lemon desserts, our lemon cupcakes bring bright flavor and a pretty pink top.
Love lemon desserts? Our fudgy lemon brownies are dense, tangy, and topped with a sweet lemon glaze.
More citrus and fruit goodness, our berry tarts have a bright lemon cream cheese filling.
Best Lemon Bars
Ingredients
For the crust:
- 2 cups all-purpose flour
- 1 cup unsalted butter softened
- ½ cup powdered sugar plus more for dusting
- ¼ teaspoon fine sea salt
For the filling:
- 2 cups granulated sugar
- 6 tablespoons all-purpose flour
- 6 large eggs room temperature
- Zest of 2 lemons
- ⅔ cup lemon juice fresh squeezed
Instructions
- Preheat the oven to 325°F. Line a 9×13 baking dish with parchment paper, set aside.
- In a large bowl, add the flour, butter, powdered sugar, and salt, mix until combined.2 cups all-purpose flour, 1 cup unsalted butter, ½ cup powdered sugar, ¼ teaspoon fine sea salt
- Press the crust into the prepared baking dish and bake for 22-24 minutes until the very edges are very slightly golden brown.
- Take the crust out of the oven and with a fork, poke holes all over, but don’t go all the way through the crust. Set aside while you make the filling.
- Place the granulated sugar and flour in a large bowl, whisk to combine.2 cups granulated sugar, 6 tablespoons all-purpose flour
- Add the eggs and lemon zest, whisk to combine.6 large eggs, Zest of 2 lemons
- Add the lemon juice and whisk to combine.⅔ cup lemon juice
- Pour the filling on top of the crust. Bake for 25-28 minutes until the bars are set, there should be a slight jiggle right in the center but not much.
- Let cool on the counter until room temperature, place in the fridge, and chill for 4 hours or overnight.
- Take the bars out using the parchment paper to help, dust generously with powdered sugar and cut into bars, serve immediately.
Notes
- This recipe can be halved and made in a 9×9-inch pan.
- Wipe your knife between cuts so you get a pretty presentation with nice, neat squares.
- You can use any freshly squeezed citrus juice for these bars to mix up the flavors, or a combo!
- Use only fresh lemon juice with this lemon dessert recipe.
- Topping with powdered sugar is optional but highly recommended.
- These can be frozen, see my tips above.
- Air bubbles may rise to the top of the bars while baking, this is completely normal from mixing the eggs with the other ingredients for the filling. This doesn’t affect the taste or texture of the bars at all.
- Do not forget that these need to set up for at least 4 hours.
Nutrition
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