Who doesn’t love the tangy-sweet goodness of a perfectly baked lemon bar? Whether you’re hosting a gathering, looking for a treat to brighten your day, or simply satisfying your sweet tooth, lemon bars are a timeless dessert. But if you’re gluten-free, finding a recipe that delivers the same buttery crunch and zesty filling can be a challenge.
Not anymore! These Gluten-Free Lemon Bars are packed with vibrant citrus flavor, perched on a tender and buttery gluten-free shortbread crust. They’re easy to make, use simple ingredients, and guarantee smiles all around!
Why You’ll Love These Gluten-Free Lemon Bars
- Made entirely with gluten-free flour, so they’re perfect for those with a gluten intolerance or celiac disease.
- Bursting with fresh lemon flavor, giving you that signature balance of tartness and sweetness.
- Requires only basic pantry ingredients—no fancy tools or ingredients required.
- Perfect for spring celebrations, showers, or any time your dessert table needs a pop of citrusy joy!
Ingredients You’ll Need
For the Gluten-Free Shortbread Crust:
- 1 cup gluten-free all-purpose flour (make sure it contains xanthan gum)
- ½ cup unsalted butter, softened
- ¼ cup granulated sugar
- Pinch of salt
For the Lemon Filling:
- 3 large eggs
- 1 cup granulated sugar
- ½ cup fresh-squeezed lemon juice (about 3–4 lemons)
- 2 tablespoons gluten-free all-purpose flour
- Zest of 2 lemons
- Powdered sugar, for dusting
Equipment:
- 8-inch square baking pan
- Parchment paper
- Whisk and mixing bowls
How to Make Gluten-Free Lemon Bars
Step 1: Prepare the Crust
- Preheat your oven to 350°F (175°C). Line your baking pan with parchment paper, leaving a slight overhang for easy removal later.
- In a medium bowl, mix the gluten-free flour, butter, sugar, and a pinch of salt with a fork or your hands until the mixture resembles coarse sand. It should hold together when pressed.
- Press the shortbread mixture evenly into the bottom of your prepared pan. Use the back of a measuring cup for an even layer.
- Bake the crust for 15–18 minutes, or until lightly golden around the edges.
Step 2: Make the Lemon Filling
- While the crust is baking, whisk together the eggs and sugar in a mixing bowl until smooth and pale.
- Stir in the lemon juice, lemon zest, and gluten-free flour until the mixture is well-combined.
- Once the crust is baked, pour the lemon filling over the hot crust.
Step 3: Bake the Lemon Bars
- Return the pan to the oven and bake for 18–22 minutes, or until the filling is set and doesn’t jiggle when gently shaken.
- Remove the pan from the oven and allow the bars to cool completely at room temperature. For even cleaner slices, refrigerate for at least 1–2 hours after cooling.
Step 4: Slice, Dust, and Serve
Once cooled, lift the lemon bars out of the pan using the parchment overhang. Use a sharp knife to slice them into squares or rectangles. Dust with powdered sugar right before serving for that bakery-perfect look.
Storage Tips
- Keep your lemon bars in an airtight container in the refrigerator for up to 4 days—though they probably won’t last that long!
- For longer storage, freeze the bars in a single layer, then transfer them to a freezer-safe bag or container. They’ll keep well in the freezer for up to 3 months.
Tips for Perfect Gluten-Free Lemon Bars
- Room Temperature Ingredients: Use room temperature eggs and butter for better mixing and an even texture.
- Use Fresh Lemons: Skip bottled lemon juice; fresh lemons make all the difference in flavor!
- Don’t Overbake: Overbaking the filling can result in a rubbery texture. Keep an eye on it around the 18-minute mark.
- Flour Blend Matters: Using a high-quality gluten-free flour blend that includes xanthan gum ensures the crust holds together perfectly.
Perfect for Any Occasion
These Gluten-Free Lemon Bars are the ultimate dessert for any occasion, from brunches and picnics to celebrations and weeknight cravings. The buttery shortbread crust paired with the vibrant lemon topping is sure to make them a household favorite.
Brighten your dessert menu with these zesty, gluten-free delights! Give them a try, and don’t forget to share a slice of sunshine with your family and friends! 😊

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