Last updated: November 12, 2026.
Lemon bars are the perfect sweet-tart dessert: a buttery shortbread crust that melts in your mouth, and a bright lemon filling that is sharp enough to wake you up and sweet enough to keep you coming back. This easy lemon bars recipe needs no special equipment and no fussy technique — one pan, two layers, and a dusting of powdered sugar.
If you have ever had a lemon bar with a runny filling or a soggy crust, this is the fix. The crust gets baked first so it stays crisp, the filling uses enough flour and egg to set firmly, and the bars cool completely before cutting — so every square holds its shape. They are the first thing gone at every party, and they travel better than almost any other dessert.
These bars are the bright citrus bake in our fruit desserts collection. If you are still choosing what to bake, our dessert recipes hub has the full list of ideas.
Why You’ll Love These Lemon Bars
- Bright, tangy filling. Real lemon juice and zest give a sharp citrus flavor that no mix can match.
- Buttery shortbread crust. Four ingredients, pressed into the pan — no rolling, no chilling, no fuss.
- Clean, firm slices. The filling sets properly, so the bars cut into neat squares instead of sliding apart.
- One pan, no mixer needed. A bowl, a whisk, and a 9×13 pan are the whole setup.
- Party-perfect. They stack, travel, and disappear fast — a good dessert to bring to a party.
Ingredients
Shortbread Crust
- 240 g (2 cups) all-purpose flour
- 115 g (1/2 cup / 1 stick) unsalted butter, softened
- 60 g (1/2 cup) powdered sugar
- 1/4 teaspoon salt
Lemon Filling
- 4 large eggs
- 200 g (1 cup) granulated sugar
- 60 g (1/2 cup) all-purpose flour
- 120 ml (1/2 cup) fresh lemon juice (about 3–4 lemons)
- 1 tablespoon lemon zest
- 30 g (about 1/4 cup) powdered sugar, for dusting
Equipment
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- 9×13-inch (23×33 cm) baking pan
- Parchment paper
- Large mixing bowl
- Whisk
- Citrus juicer
- Zester or Microplane
- Measuring cups and spoons
- Fine-mesh sieve (for dusting)
How to Make Lemon Bars
Step 1 — Heat the Oven and Prepare the Pan
Preheat the oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper, leaving overhang on the two long sides so you can lift the bars out later.
Step 2 — Make the Shortbread Crust
Beat the softened butter with the powdered sugar until smooth, then stir in the flour and salt until a soft dough forms. Press the dough evenly into the bottom of the prepared pan — the flat bottom of a measuring cup helps get it level.
Step 3 — Bake the Crust
Bake the crust for 18–20 minutes, until the edges are just starting to turn golden. Leave the oven on. Let the crust cool for 5 minutes while you make the filling — it should still be warm when the filling goes on.
Step 4 — Whisk the Filling
In a large bowl, whisk the eggs and granulated sugar together until smooth. Whisk in the flour, then the lemon juice and lemon zest, until the filling is smooth and lump-free. Work quickly — the filling goes onto the warm crust right away.
Step 5 — Pour and Bake
Pour the filling over the warm crust and spread it evenly. Bake for 20–25 minutes, until the edges are set and the center jiggles only slightly when you shake the pan. Do not overbake — the filling firms up as it cools.
Step 6 — Cool Completely
Let the bars cool to room temperature in the pan, about 1 hour, then refrigerate for at least 1 more hour. Cold bars cut cleanly; warm bars do not.
Step 7 — Dust and Cut
Lift the bars out of the pan using the parchment overhang. Dust the top generously with powdered sugar through a fine-mesh sieve. Cut into 16 squares with a sharp knife, wiping the blade clean between cuts.
Tips for Perfect Lemon Bars
- Use fresh lemons. Bottled lemon juice tastes flat and dull. Fresh juice and zest are the whole flavor of this dessert — 3–4 lemons will do it.
- Bake the crust first. A pre-baked crust stays crisp under the filling. Pouring filling onto raw crust is how soggy bottoms happen.
- Pour onto a warm crust. The filling starts setting the moment it hits the warm crust, which keeps the layers distinct instead of blending together.
- Do not overbake the filling. The center should still jiggle slightly when the bake ends. It sets fully as it cools — an overbaked filling turns rubbery and cracks.
- Chill before cutting. Warm bars smear and collapse. Two hours of cooling (one at room temperature, one in the fridge) gives you clean, sharp squares.
- Dust at the last minute. Powdered sugar melts into the filling if it sits too long. Dust just before serving for the prettiest finish.
Storage, Make-Ahead and Freezing
- Leftovers: cover and refrigerate for up to 5 days. Dust with fresh powdered sugar before serving, since the first dusting melts in the fridge.
- Make ahead: bake the bars a day before serving — they are better cold, and the flavor deepens overnight.
- Freezing: freeze cut bars in a single layer, then transfer to an airtight container with parchment between layers, for up to 3 months. Thaw in the fridge and dust with powdered sugar before serving.
- Room temperature: the bars can sit out for up to 2 hours at a party, but they keep their shape best cold.
Variations
- Lime bars. Swap the lemon juice and zest for lime — same quantities, a greener, sharper twist. For another bake to cut into squares, see the Best Sugar Cookies Recipe (Soft & Easy).
- Meyer lemon bars. Use Meyer lemons for a sweeter, more floral filling with less bite.
- Berry lemon bars. Scatter a handful of fresh raspberries or blueberries over the crust before pouring in the filling.
- Coconut crust. Replace 60 g of the flour in the crust with shredded coconut for a tropical note.
- Lemon-blueberry bars. Fold 150 g of fresh blueberries into the filling just before pouring.
Nutrition
One serving (1 of 16 bars) has about 230 calories, 33 g carbohydrates, 4 g protein, 7 g fat, 4 g saturated fat, 20 g sugar, 1 g fiber and 60 mg sodium. Nutrition information is an estimate only.
Dietary notes: Contains wheat, milk and eggs.
| Calories | 230 |
|---|---|
| Carbohydrates | 33 g |
| Protein | 4 g |
| Fat | 7 g |
| Saturated fat | 4 g |
| Sugar | 20 g |
| Fiber | 1 g |
| Sodium | 60 mg |
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Ingredients
King Arthur Organic All-Purpose Flour, 5 lb
all-purpose flour
Baking Equipment
Pyrex Colors 9×13 Glass Baking Dish with BPA-Free Lid
9×13 glass baking dish with lid
Kitchen Tools
Microplane Premium Classic Series Zester Grater
zester grater
Reynolds Kitchens Unbleached Parchment Paper Roll, 45 Sq Ft
unbleached parchment paper roll
Pyrex Sculpted Glass Mixing Bowls Set with Plastic Lids, 3-Pack
glass mixing bowls with lids
DI ORO Silicone Spatula Set, 4-Piece
silicone spatula set
Substitutions
If you are missing an ingredient, these swaps keep the recipe working.
- Lemons. Swap the lemon juice and zest for lime – same quantities, a greener, sharper twist – or use Meyer lemons for a sweeter, more floral filling.
- Fresh lemon juice. There is no good substitute for it – bottled lemon juice tastes flat and dull, and fresh juice and zest are the whole flavour of this dessert.
- Flour in the crust. Replace 60 g of the flour in the crust with shredded coconut for a tropical note.
Common Mistakes
These are the mistakes that cause the most problems with this recipe.
- Bottled lemon juice. Fresh juice and zest are the whole flavour – 3-4 lemons will do it, and bottled juice tastes flat.
- Filling on raw crust. A pre-baked crust stays crisp under the filling – pouring filling onto raw crust is how soggy bottoms happen.
- Filling on a cold crust. Pour onto a warm crust – the filling starts setting the moment it hits the warm crust, which keeps the layers distinct.
- Overbaking the filling. The center should still jiggle slightly when the bake ends – it sets fully as it cools, and an overbaked filling turns rubbery and cracks.
- Cutting warm bars. Warm bars smear and collapse – two hours of cooling gives you clean, sharp squares.
FAQ
How do I keep lemon bars from cracking?
Do not overbake the filling — that is the main cause. Pull the pan when the edges are set and the center still jiggles slightly; the filling firms up as it cools, and an overbaked filling turns rubbery and cracks as it contracts. Cool the bars slowly (room temperature first, then the fridge) rather than rushing them into a cold fridge straight from the oven, and do not cut them until they are fully chilled.
Can I make lemon bars ahead of time?
Yes — lemon bars are an ideal make-ahead dessert. Bake them a day before serving: they need at least 2 hours of cooling anyway, and the flavor deepens overnight in the fridge. Keep them covered and refrigerated for up to 5 days, and dust with fresh powdered sugar just before serving, since the first dusting melts in the fridge. Cut bars also freeze well for up to 3 months.
Why is my lemon filling runny?
The usual causes are too little flour, underbaking, or cutting while warm. This recipe uses 60 g of flour in the filling, which is what sets it — measure it properly. Bake until the edges are set and the center jiggles only slightly, then cool the bars completely (1 hour at room temperature plus at least 1 hour in the fridge) before cutting. A filling that looks soft in the oven is normal; it firms up as it cools.
Can I use bottled lemon juice for lemon bars?
No. Bottled lemon juice tastes flat and dull, and fresh juice and zest are the whole flavour of this dessert. Use 3-4 fresh lemons instead.
Times, servings and nutrition values are standard guidance and may vary.
Easy Lemon Bars Recipe
Ingredients
Equipment
Method
- Heat the oven and prepare the pan. Preheat the oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper, leaving overhang on the two long sides so you can lift the bars out later.
- Make the shortbread crust. Beat the softened butter with the powdered sugar until smooth, then stir in the flour and salt until a soft dough forms. Press the dough evenly into the bottom of the prepared pan.
- Bake the crust. Bake the crust for 18–20 minutes, until the edges are just starting to turn golden. Leave the oven on. Let the crust cool for 5 minutes while you make the filling — it should still be warm when the filling goes on.
- Whisk the filling. In a large bowl, whisk the eggs and granulated sugar together until smooth. Whisk in the flour, then the lemon juice and lemon zest, until the filling is smooth and lump-free.
- Pour and bake. Pour the filling over the warm crust and spread it evenly. Bake for 20–25 minutes, until the edges are set and the center jiggles only slightly when you shake the pan. Do not overbake — the filling firms up as it cools.
- Cool completely. Let the bars cool to room temperature in the pan, about 1 hour, then refrigerate for at least 1 more hour. Cold bars cut cleanly; warm bars do not.
- Dust and cut. Lift the bars out of the pan using the parchment overhang. Dust the top generously with powdered sugar through a fine-mesh sieve. Cut into 16 squares with a sharp knife, wiping the blade clean between cuts.
Notes
More Recipes to Try
More from Desert Dishes — try these next:
- Easy Apple Pie Recipe — classic homemade pie with a flaky crust and spiced apples.
- Easy Peach Cobbler Recipe — juicy peaches under a golden, buttery topping.
- Fruit Desserts — the full hub of fruit desserts on Desert Dishes.
- Best Sugar Cookies Recipe — soft, thick cookies, perfect for decorating or eating plain.
- Classic Cheesecake Recipe — creamy, smooth, and crack-free, with a buttery graham cracker crust.
