There’s something magical about the tangy brightness of lemon meeting the sweet fluff of meringue. These Lemon Meringue Pie Bars capture all the charm of the classic pie but in an easy-to-slice bar form. Imagine biting into a buttery shortbread crust, followed by a silky lemon curd layer, and topped with golden, cloud-like meringue that melts in your mouth. Trust me, these bars are sunshine in every bite.
Behind the Recipe
This recipe was born out of love for lemon desserts and the practicality of sharing them. Traditional lemon meringue pie is a showstopper, but bars make it simple to bring those same flavors to potlucks, picnics, or a casual afternoon tea. These bars carry nostalgia, reminding us of desserts cooling on grandma’s windowsill, while also feeling playful and modern.
Recipe Origin or Trivia
Lemon meringue pie has its roots in 19th-century Europe, where lemon curd was first enjoyed as a spread. Pairing it with a meringue topping created a dessert that celebrated contrast, and it quickly became popular across America. The bar version is a newer twist, perfect for making the treat more portable while keeping all the flavors intact.
Why You’ll Love Lemon Meringue Pie Bars
There are plenty of reasons to fall for these bars, but here are the best ones:
Versatile: Perfect for parties, bake sales, or afternoon indulgence.
Budget-Friendly: Uses simple ingredients you likely already have in your kitchen.
Quick and Easy: Easier than a traditional pie, with less fuss and fewer steps.
Customizable: Adjust the lemon intensity or sweetness to match your taste.
Crowd-Pleasing: Bright, tangy, and beautiful, these bars always disappear quickly.
Make-Ahead Friendly: Bake the bars ahead and top with meringue before serving.
Great for Leftovers: They store well in the fridge, giving you a sweet treat for days.
Chef’s Pro Tips for Perfect Results
To get the best from your bars, here’s what I recommend:
- Use fresh lemon juice for the most vibrant flavor.
- Whisk the lemon curd constantly to avoid lumps.
- Spread meringue to the very edges to seal and prevent shrinking.
- Let the bars cool completely before slicing for clean edges.
Kitchen Tools You’ll Need
Having the right tools makes the process smooth and enjoyable.
9×9 Baking Pan: Perfect size for even layers.
Mixing Bowls: One for crust, one for curd, and one for meringue.
Hand or Stand Mixer: To whip the meringue until glossy peaks form.
Whisk: For smooth lemon curd.
Spatula: To spread the meringue evenly over the curd.
Ingredients in Lemon Meringue Pie Bars
This recipe balances tart, sweet, and buttery with just the right ingredients.
- All-Purpose Flour: 1 cup, forms the base of the shortbread crust.
- Granulated Sugar: ½ cup, sweetens both crust and lemon filling.
- Unsalted Butter: ½ cup (1 stick), melted, creates a rich crust.
- Lemon Juice: ½ cup fresh, the star ingredient giving tang.
- Lemon Zest: 1 tablespoon, adds fragrant citrus oils.
- Eggs: 3 large, bring structure and richness to the filling.
- Cornstarch: 2 tablespoons, thickens the lemon curd.
- Water: ½ cup, balances the filling.
- Egg Whites: 3 large, whipped into meringue.
- Cream of Tartar: ¼ teaspoon, stabilizes the meringue.
- Powdered Sugar: ¼ cup, sweetens and smooths the meringue topping.
Ingredient Substitutions
Even if you’re missing something, there are easy swaps.
Unsalted Butter: Alternative: Salted butter, reduce added salt.
Cornstarch: Alternative: Arrowroot powder.
Powdered Sugar: Alternative: Granulated sugar pulsed in a blender.
All-Purpose Flour: Alternative: Gluten-free flour blend.
Ingredient Spotlight
Lemons: Fresh lemons add unmatched brightness. Both juice and zest are essential for that sharp, refreshing flavor.
Egg Whites: These transform into fluffy, glossy meringue when whipped, giving the dessert its iconic cloud-like finish.

Instructions for Making Lemon Meringue Pie Bars
Making these bars is like building layers of sunshine, one step at a time.
- Preheat Your Equipment: Heat oven to 350°F (175°C). Grease and line a 9×9 baking pan with parchment.
- Combine Ingredients: Mix flour, ¼ cup sugar, and melted butter until crumbly. Press into the pan to form crust.
- Prepare Your Cooking Vessel: Bake crust for 15 minutes until lightly golden.
- Assemble the Dish: Whisk lemon juice, zest, eggs, remaining sugar, cornstarch, and water in a saucepan over medium heat until thickened. Pour over baked crust.
- Cook to Perfection: Bake filling for 15 minutes until set.
- Finishing Touches: Whip egg whites with cream of tartar until soft peaks form. Gradually add powdered sugar and whip to stiff peaks. Spread over lemon filling, sealing edges. Bake 10 more minutes until meringue is golden.
- Serve and Enjoy: Let bars cool completely, then slice and enjoy chilled or at room temperature.
Texture & Flavor Secrets
Each bite brings a beautiful balance of textures. The shortbread crust is buttery and firm, the lemon curd is silky-smooth and tangy, and the meringue is light, fluffy, and just a little toasty on top. Together, it’s a perfect harmony of creamy, crisp, and airy.
Cooking Tips & Tricks
Here are a few little secrets to make your bars shine:
- Chill bars before slicing for neat squares.
- Use a hot knife for clean cuts through meringue.
- Add an extra egg yolk for richer lemon filling.
What to Avoid
A few pitfalls are easy to dodge with some care:
- Don’t use bottled lemon juice, it lacks freshness.
- Avoid undercooking the filling or it may not set.
- Don’t under-whip the meringue, or it will collapse.
Nutrition Facts
Servings: 12
Calories per serving: 220
Note: These are approximate values.
Preparation Time
Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Make-Ahead and Storage Tips
These bars can be made a day ahead. Bake crust and lemon layer, then top with meringue just before serving for best texture. Store leftovers covered in the fridge for up to 3 days. Freezing isn’t recommended as meringue doesn’t thaw well.
How to Serve Lemon Meringue Pie Bars
Serve chilled or at room temperature, ideally on a pretty platter dusted with a bit of powdered sugar for flair. Pair with tea or coffee, or serve alongside fresh berries for an extra pop of color and flavor.
Creative Leftover Transformations
Turn leftovers into new treats:
- Crumble bars into a parfait with yogurt and berries.
- Layer into jars for a portable lemon trifle.
- Use as a topping over vanilla ice cream.
Additional Tips
Add a pinch of sea salt to the crust for extra depth. For extra lemony punch, stir zest into the meringue before whipping. To avoid weeping meringue, bake immediately after spreading.
Make It a Showstopper
Presentation can turn these bars into a centerpiece. Use a torch to lightly toast the meringue for dramatic flair. Serve on bright plates to highlight their sunshine-yellow filling. Garnish with thin lemon slices or candied peel for elegance.
Variations to Try
- Add a coconut crust for a tropical twist.
- Use Meyer lemons for a sweeter, floral flavor.
- Swap in lime juice for zesty lime meringue bars.
- Add a blueberry swirl to the lemon curd for fruity contrast.
FAQ’s
Q1: Can I use bottled lemon juice?
Fresh lemon juice is highly recommended for the best flavor.
Q2: How do I know when the lemon filling is set?
It should jiggle slightly in the center but not be liquidy.
Q3: Can I make this recipe gluten-free?
Yes, just swap the crust flour with a gluten-free blend.
Q4: How do I prevent the meringue from weeping?
Seal the meringue to the crust edges and bake until golden.
Q5: Can I use a torch to brown the meringue?
Yes, a kitchen torch works beautifully for added color.
Q6: Can I freeze lemon meringue bars?
No, the meringue does not hold up well after freezing.
Q7: Can I double this recipe?
Yes, bake in a 9×13 pan and adjust bake times slightly.
Q8: What if I don’t have cream of tartar?
Use a squeeze of lemon juice instead to stabilize the whites.
Q9: Do I need to refrigerate the bars?
Yes, store in the fridge to keep the filling set.
Q10: Can I make this without meringue?
Yes, simply leave off the topping and enjoy lemon bars.
Conclusion
Lemon Meringue Pie Bars are a cheerful twist on a beloved classic, combining tart lemon curd, buttery crust, and fluffy meringue in a convenient sliceable form. Each bite is light, tangy, and sweet, making them the perfect treat to brighten any occasion. Let me tell you, it’s worth every bite, and they’ll quickly become a favorite in your dessert collection.
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Lemon Meringue Pie Bars
Description
Classic lemon meringue pie transformed into easy, shareable bars with a buttery crust, silky lemon curd, and fluffy golden meringue topping.
Ingredients
- 1 cup all-purpose flour
- 1/2 cup granulated sugar (divided)
- 1/2 cup unsalted butter, melted
- 1/2 cup fresh lemon juice
- 1 tablespoon lemon zest
- 3 large eggs
- 2 tablespoons cornstarch
- 1/2 cup water
- 3 large egg whites
- 1/4 teaspoon cream of tartar
- 1/4 cup powdered sugar
Instructions
- Preheat oven to 350°F (175°C). Grease and line a 9×9 baking pan with parchment.
- Mix flour, 1/4 cup sugar, and melted butter until crumbly. Press into pan to form crust. Bake for 15 minutes until lightly golden.
- In a saucepan, whisk lemon juice, zest, eggs, remaining sugar, cornstarch, and water over medium heat until thickened. Pour over baked crust.
- Bake filling for 15 minutes until set.
- Whip egg whites with cream of tartar until soft peaks form. Gradually add powdered sugar and whip to stiff peaks.
- Spread meringue over lemon filling, sealing edges. Bake 10 minutes until golden.
- Cool completely before slicing and serving.
Notes
- Always use fresh lemon juice for the best flavor.
- Seal meringue to the crust edges to prevent shrinking.
- Chill bars before slicing for cleaner cuts.