If you adore bright, tangy desserts with a light, fluffy finish, you are going to absolutely fall for this Zesty Lemon Meringue Pie Bars Recipe. Imagine the perfect balance of a crisp, buttery crust topped with a luscious, tart lemon filling and crowned by a cloud-like meringue browned to golden perfection. These bars are the kind of dessert that feels both comforting and sophisticated, making weekends and gatherings extra special. Whether you’re an experienced baker or new to citrus sweets, these lemon meringue bars are as delightful to make as they are to eat.

Ingredients You’ll Need
The charm of this recipe lies in its simplicity, using just a handful of staples that you likely already have. Each ingredient plays a crucial role: the crust brings a tender crunch, the lemon filling adds a fresh zing, and the meringue provides a sweet, airy finish that makes every bite unforgettable.
- 1 cup all-purpose flour: The base that gives the crust its perfect structure and tender texture.
- 1/4 cup granulated sugar (for crust): Just enough to add a subtle sweetness to balance the tartness.
- 1/2 cup melted butter: Adds richness and helps hold the crust together with a satisfying buttery flavor.
- 3/4 cup granulated sugar (for filling): Sweetens the tangy lemon filling without overpowering it.
- 1/4 cup cornstarch: The thickening agent that ensures the lemon layer is smooth and holds its shape.
- 1/4 tsp salt: Enhances all the flavors and balances the sweetness.
- 1/2 cup fresh lemon juice: The star of the dish, bringing a vibrant and fresh citrus punch.
- 1 cup water: Needed to create the perfect consistency for the filling.
- 3 large egg yolks: They enrich the filling, adding body and silkiness.
- 3 large egg whites: Whipped into the fluffy meringue that tops this dessert.
- 1/4 tsp cream of tartar: Stabilizes the egg whites so the meringue stays glossy and firm.
- 1/4 cup granulated sugar (for meringue): Sweetens the meringue and helps it form stiff peaks.
How to Make Zesty Lemon Meringue Pie Bars Recipe
Step 1: Preheat Your Oven
Begin by heating your oven to 350°F (175°C). Prepare an 8×8 or 9×9 baking dish by greasing it well. This simple step ensures your bars won’t stick and come out beautifully intact.
Step 2: Make the Crust
In a mixing bowl, combine the all-purpose flour, 1/4 cup granulated sugar, and melted butter. Stir everything together until the mixture holds together like damp sand. Press this evenly into the bottom of your prepared baking dish. Bake it for about 10 minutes or until the crust is just turning golden on the edges. This crisp base will provide a perfect contrast to the creamy filling and airy meringue above.
Step 3: Prepare the Lemon Filling
In a medium saucepan, whisk together the 3/4 cup sugar, cornstarch, and salt. Stir in fresh lemon juice and water. Cook over medium heat, whisking constantly to avoid lumps, until the mixture thickens and turns glossy. This luscious filling is where the lemon’s brightness truly shines, offering a tangy yet sweet center for your bars.
Step 4: Temper the Egg Yolks
To avoid scrambling, slowly whisk a few spoonfuls of the hot lemon mixture into the egg yolks. Then pour this tempered egg yolk mixture back into the saucepan. Cook for an additional minute, stirring continuously until everything thickens beautifully. Pour this vibrant lemon layer over your baked crust, spreading it evenly.
Step 5: Make the Meringue
In a clean bowl, beat the egg whites with cream of tartar using a mixer at medium speed until soft peaks form. Gradually add 1/4 cup sugar, continuing to beat until you achieve stiff, glossy peaks that hold their shape. This meringue is the crowning glory, adding lightness and a hint of sweetness that complements the tart filling.
Step 6: Top with Meringue
Carefully spread the meringue over the lemon filling, making sure to seal it completely to the edges of the crust. This step is essential to prevent the meringue from shrinking as it bakes and creates a beautiful, even layer that browns perfectly.
Step 7: Bake to Perfection
Return your dish to the oven for about 15 minutes, or until the meringue peaks are golden brown. The visual cue of those toasted tips signals the bars are ready for the final step: cooling.
Step 8: Cool and Chill Before Serving
Let the bars cool to room temperature, then refrigerate for at least one hour. Chilling helps the layers set firmly so your bars cut cleanly while intensifying that signature refreshing lemon flavor you crave.
How to Serve Zesty Lemon Meringue Pie Bars Recipe

Garnishes
To enhance the visual appeal and add an extra pop of freshness, sprinkle some finely grated lemon zest on top just before serving. Fresh mint leaves also pair beautifully, providing a hint of herbaceous brightness that contrasts the sweet tartness.
Side Dishes
These bars stand out wonderfully on their own, but if you want to create a complete dessert experience, try serving them alongside a light scoop of vanilla bean ice cream or a dollop of freshly whipped cream. A hot cup of tea or a light white wine can also complement their zesty profile.
Creative Ways to Present
For a charming twist, cut the bars into bite-sized squares and serve on a decorative platter with small dessert forks for a party. Alternatively, layer lemon bars with fresh berries and whipped cream in glass parfait cups for an elegant presentation that wows guests.
Make Ahead and Storage
Storing Leftovers
Keep any uneaten bars in an airtight container in the refrigerator. They will stay fresh and maintain their texture for up to 3 days, giving you plenty of time to savor that bright citrus goodness.
Freezing
If you want to save some for later, these lemon meringue pie bars freeze well. Wrap them tightly in plastic wrap and then foil to prevent freezer burn. Thaw overnight in the refrigerator before serving to preserve the texture.
Reheating
Because of the delicate meringue topping, reheating is best done gently. Allow bars to reach room temperature, then warm briefly in a low oven (around 300°F or 150°C) for 5-7 minutes if you prefer them slightly warm, but avoid the microwave to prevent toughening the meringue.
FAQs
Can I use bottled lemon juice instead of fresh?
Fresh lemon juice is always preferred for the brightest, most authentic flavor, but if you’re in a pinch, a good-quality bottled lemon juice will work. Just be cautious as it can be more acidic and less vibrant.
What can I substitute for cream of tartar in the meringue?
If you don’t have cream of tartar, a few drops of lemon juice or white vinegar can help stabilize the egg whites, though cream of tartar provides the most reliable results for stiff peaks.
Why did my meringue shrink after baking?
Meringue shrinkage typically happens if it isn’t spread all the way to the edges of the crust or if it cools too quickly. Sealing edges well and cooling slowly at room temperature helps prevent this.
Is it necessary to refrigerate lemon bars before slicing?
Yes, refrigerating helps the lemon filling set and makes slicing cleaner and easier. It also improves the flavor melding and texture of the bars.
Can I make these bars gluten-free?
Absolutely! Swap out the all-purpose flour with a gluten-free flour blend designed for baking. The crust may have a slightly different texture but will still be delicious and hold together nicely.
Final Thoughts
If you’re looking for a dessert that’s both classic and bursting with personality, give this Zesty Lemon Meringue Pie Bars Recipe a whirl. It’s truly a crowd-pleaser that combines tart lemon brightness with a sweet, airy topping that’ll have everyone asking for seconds. Baking these bars is a joy in itself, and sharing them makes any occasion that much sweeter. So grab your lemons and get ready to bake a batch of sunshine!
Print
Zesty Lemon Meringue Pie Bars Recipe
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 1 hour 40 minutes
- Yield: 9 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
Zesty Lemon Meringue Pie Bars combine a buttery crust with a tangy lemon filling topped with a fluffy, golden meringue layer. These bars offer a delightful balance of sweet and tart flavors in a convenient bar form, perfect for dessert or a sweet snack.
Ingredients
For the Crust:
- 1 cup all-purpose flour
- 1/4 cup granulated sugar
- 1/2 cup melted butter
For the Lemon Filling:
- 3/4 cup granulated sugar
- 1/4 cup cornstarch
- 1/4 tsp salt
- 1/2 cup fresh lemon juice
- 1 cup water
- 3 large egg yolks
For the Meringue:
- 3 large egg whites
- 1/4 tsp cream of tartar
- 1/4 cup granulated sugar
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C) and grease an 8×8 or 9×9 inch baking dish to prepare for the crust.
- Make the Crust: In a bowl, combine the flour, sugar, and melted butter. Press this mixture evenly into the prepared baking dish. Bake the crust for 10 minutes or until it becomes lightly golden.
- Prepare the Filling: In a saucepan, whisk together the sugar, cornstarch, and salt. Stir in the fresh lemon juice and water. Cook the mixture over medium heat, whisking constantly until it thickens.
- Temper Egg Yolks: Slowly whisk a few spoonfuls of the hot lemon mixture into the egg yolks to temper them, then return the yolks back to the saucepan. Cook for an additional minute, stirring constantly. Pour and spread the lemon filling evenly over the baked crust.
- Make the Meringue: Beat the egg whites with cream of tartar until soft peaks form. Gradually add sugar while continuing to beat until stiff, glossy peaks develop.
- Top with Meringue: Spread the meringue over the lemon filling carefully, ensuring it seals to the edges of the crust to prevent shrinking during baking.
- Bake: Place the baking dish back in the oven and bake for 15 minutes or until the meringue turns a beautiful golden brown.
- Cool & Chill: Allow the bars to cool to room temperature, then refrigerate them for at least 1 hour before slicing to help set the layers and improve flavor.
Notes
- Use fresh lemon juice for the best vibrant flavor in the filling.
- Sealing the meringue to the edges of the crust prevents it from shrinking while baking.
- Beat egg whites in a clean, grease-free bowl to achieve stiff peaks.
- Letting the bars chill ensures clean cuts and firmer lemon filling.
- Store leftovers covered in the refrigerator for up to 3 days.

