Lemon Squares | Old Fashioned Lemon Square Recipe

If you're a fan of tart, sweet, and buttery desserts, you’re in for a treat! Learn how to make the best Lemon Squares with a perfectly crisp shortbread crust and a tangy, creamy lemon filling. These classic bars are a crowd-pleaser, whether served at a spring gathering, summer picnic, or even as a light dessert for the holidays.

Why You'll Love This Delicious Dessert

• Simple to Make. These lemon squares require just a few pantry staples and are ready in no time.
• Perfect Balance. The buttery shortbread crust pairs beautifully with the bright, tangy lemon filling.
• Elegant Presentation. The powdered sugar dusting makes these lemon bars look as good as they taste!

Whether you’re a seasoned baker or a beginner, this recipe is foolproof and guarantees rave reviews every time.

What Do Lemon Squares Taste Like?

Lemon Squares are a classic dessert that’s loved by many for their perfect combination of sweet and tangy flavors. The creamy lemon filling melts in your mouth while the shortbread crust provides a delightful buttery crunch.

Dusting the bars with powdered sugar not only makes them look stunning but also adds a touch of sweetness that balances the citrusy zest.

Ingredients You'll Need

• All-Purpose Flour- Serves as the foundation of the buttery shortbread crust, providing structure and a firm base for the tangy lemon filling.
• Unsalted Butter- Adds richness to the crust, helping it bind together and bake into a crumbly, melt-in-your-mouth texture.
• Granulated Sugar- Sweetens both the crust and the lemon filling, balancing the tartness of the lemon and creating a perfectly sweet dessert.
• Eggs- Act as the primary binding agent in the lemon filling, giving it a rich, creamy, and custard-like consistency that sets beautifully when baked.
• Fresh Lemon Juice- The key flavor driver, offering a bold and tangy citrus flavor that defines the dessert's refreshing profile.
• Lemon Zest- Amplifies the citrus aroma and flavor, adding depth and a fragrant boost to the filling.
• Powdered Sugar- Used as a finishing touch, it provides a light, sweet dusting that enhances the appearance and adds a touch of elegance.

How To Make Lemon Squares

1. Prepare the Shortbread Crust. Preheat your oven to 350°F and grease an 8x8-inch baking pan. Line it with parchment paper for easy removal. In a medium bowl, mix the flour, softened butter, and granulated sugar until crumbly. Press the mixture evenly into the bottom of the prepared pan. Bake the crust for 15-18 minutes or until lightly golden. Let it cool while you prepare the filling.
2. Make the Lemon Filling. In a large bowl, whisk the eggs, granulated sugar, lemon juice, and lemon zest until well combined. Sift in the flour and mix until smooth. This will ensure the filling sets so that it isn't too runny and can be easily cut into handheld bars.
3. Assemble and Bake. Pour the lemon filling over the cooled crust, spreading it evenly. Bake for 20-25 minutes or until the filling is set and no longer jiggles in the center. Let the bars cool completely before removing them from the pan. Don't rush this! You'll end up with runny lemon custard over crust that will have to be eaten with a spoon.
4. Garnish and Serve. Dust the cooled lemon squares generously with powdered sugar for a stunning finish. This also helps hide any imperfections that may have happened when you poured in the lemon filling. Slice the chilled bars into squares with a hot knife (dip it in a cup of hot water between slices) and serve.

Tips And Tricks

To create the best lemon squares with a buttery crust and tangy filling, follow these tried-and-true tips and tricks:

• Use Fresh Lemons. Freshly squeezed lemon juice and zest make all the difference in flavor.
• Don’t Skip the Parchment Paper. It makes removing the bars from the pan much easier and keeps them intact.
• Chill Before Cutting. Allow the bars to cool completely in the fridge for cleaner slices.
• Sift Your Powdered Sugar. This ensures an even and smooth dusting on top.

Variations

Lemon squares are a classic dessert, but you can add your own creative twist to customize the flavor and texture. Here are some delicious variations to try:

• Berry- Add a handful of fresh raspberries or blueberries to the lemon filling before baking for a fruity twist.
• Coconut- Mix shredded coconut into the crust for an extra layer of flavor and texture. Try toasting the coconut for even more nutty flavor.
• Gluten-Free- Use a gluten-free flour blend in place of the all-purpose flour for a gluten-free version that even more people can enjoy.
• Lavender- Infuse the lemony filling with a touch of dried culinary lavender for a floral and elevated flavor twist.

What To Enjoy With Lemon Squares

Lemon squares are a delightful dessert on their own, but pairing them with complementary sides or beverages can elevate the experience. Here are some great options to serve alongside:

• Fresh Fruit- Strawberries, raspberries, or blackberries complement the citrus flavor and allow you to switch up the flavor of each bar without making a separate batch.
• Whipped Cream- A dollop of whipped cream adds a light, airy touch.
• Ice Cream- Make this the ultimate warm weather spring or summer treat by serving it with a scoop of vanilla ice cream.

How Long Do They Last?

Lemon Squares can be stored in an airtight container in the refrigerator for up to 5 days.

They’re best served chilled but can also be enjoyed at room temperature.

Can You Freeze Them?

You can also freeze them for up to 2 months—just wrap them tightly in plastic wrap and place them in a freezer-safe bag.

Thaw your lemon bars in the fridge overnight before serving.

More Of Our Best Lemon Recipes

• Lemon Tarts
• Lemon Brownies
• Keto Lemon Pound Cake
• Lemon Chicken Orzo Soup
• Lemon Muffins
• Lemon Curd