My kitchen turned into a sunlit lab as I whisked together bright lemon curd and a flaky crust, testing these Gluten Free Lemon Bars three times until each bite struck that perfect balance of tang and tenderness. I tweaked the flour blend after my first batch that was too crumbly, adjusted the bake time in batch two to avoid a runny center, and finally discovered that chilling them overnight sharpened the citrus flavor. Craving more no-bake treats? Check out my No-Bake Cherry Cheesecake for another make-ahead dessert.
About Gluten Free Lemon Bars
Gluten Free Lemon Bars marry a tender, buttery crust with a silky, bright lemon filling. I first made these for a spring potluck and watched them vanish—so I refined the recipe over winter evenings until every batch cut cleanly and delivered zesty flavor in each square.
- Quick prep with simple pantry staples
- Bright, budget-friendly citrus dessert
- A family-favorite treat for brunch or parties
- Uses naturally gluten-free ingredients for wider dietary needs

Key Ingredients & Their Roles
- Gluten-Free All-Purpose Flour (1½ cups): Forms the base of the crust. Tip: Gently whisk before measuring to avoid pockets.
- Powdered Sugar (½ cup + ¼ cup): Sweetens crust and for dusting. Use superfine for a smoother texture.
- Cold Unsalted Butter (¾ cup, cubed): Creates flakiness in the crust. Swap for vegan butter if dairy-free.
- Fresh Lemon Juice (⅔ cup) & Zest (2 lemons): Provides bright citrus flavor. Roll lemons to maximize juice.
- Eggs (4 large, room temp): Thicken the filling. Room temperature eggs blend more evenly.
- Baking Powder (1 teaspoon): Gives a slight lift to the filling. Ensure it’s fresh for best rise.
How to Make Gluten Free Lemon Bars
- Preheat the oven to 350°F (175°C). Line a 9×13-inch pan with parchment, leaving an overhang.
- In a medium bowl, whisk 1½ cups flour, ½ cup powdered sugar, ¼ cup rice flour, and ¼ teaspoon salt until combined.
- Cut in ¾ cup cold butter with a pastry cutter until mixture resembles coarse crumbs. Press into pan and bake 18–20 minutes, until edges turn light golden.
- Meanwhile, whisk 4 eggs and 1½ cups granulated sugar until pale and slightly thickened, about 3 minutes.
- Stir in 2 teaspoons zest, ⅔ cup lemon juice, ½ cup flour, 1 teaspoon baking powder, and a pinch of salt until smooth.
- Pour filling over hot crust and bake 20–25 minutes, until center is set with a slight jiggle.
- Let cool completely on a wire rack. Dust with ¼ cup powdered sugar and chill at least 2 hours before slicing.


Pro Tips & Troubleshooting
- My second batch used a food processor for the crust—pulverize until just combined for uniform texture.
- A common error is overbaking; remove when center still jiggles slightly to avoid cracks.
- Swap lemon for lime for a tangy twist and adjust sugar by 1–2 tablespoons if needed.
- To double the recipe, bake in two pans or a larger sheet, adding 5–7 minutes to bake time.
Storage & Make-Ahead Guide
Store bars in an airtight container in the fridge for up to 5 days or freeze up to 2 months. Thawed bars can be refreshed in a 325°F oven for 5 minutes or gently microwaved. On my third test, chilling overnight gave the cleanest slices and deepest lemon flavor.
Serving Suggestions
These Gluten Free Lemon Bars are lovely with a dollop of whipped cream and fresh berries. Serve alongside crunchy Chia Seed Pudding or chewy Coconut Macaroons for a delightful dessert spread.

Frequently Asked Questions
- How do I make lemon bars gluten-free? Use a reliable gluten-free flour blend and add ¼ teaspoon xanthan gum if your mix doesn’t include it, for structure.
- Why is my crust too crumbly? Ensure the butter is cold and press the crust firmly into the pan before baking to keep it intact.
- How can I tell when the filling is done? The edges should be set and lightly golden; the center should no longer wiggle but still have a slight jiggle.
- Can lemon bars be frozen? Yes, wrap tightly and freeze in an airtight container for up to 2 months; thaw overnight in the fridge.
- What’s the best way to get clean slices? Chill bars completely, then use a sharp knife wiped clean between cuts for sharp edges.
- Can I substitute other citrus? Swap lemon with lime or orange, and taste-adjust sugar to balance the new tang.
Final Thoughts
These Gluten Free Lemon Bars have become my go-to spring and summer bake, balancing bright citrus with a tender crust. I love serving them chilled straight from the fridge when the filling still trembles slightly. Give them a try, and let me know how your kitchen experiments turn out!
More Recipes You’ll Love
- Chia Seed Pudding – a light, creamy gluten-free dessert that balances the tartness of lemon bars
- Coconut Macaroons – naturally gluten-free, chewy cookies with a sweet coconut flavor to complement citrus notes
- Key Lime Pie Trifle – another zesty, citrus-packed treat perfect for summer gatherings
- No-Bake Cherry Cheesecake – a creamy, no-bake dessert ideal for make-ahead entertaining alongside lemon bars

Gluten Free Lemon Bars
Ingredients
Crust
- 1.5 cups gluten-free all-purpose flour
- 0.5 cup powdered sugar
- 0.25 cup rice flour
- 0.25 teaspoon salt
- 0.75 cup cold unsalted butter cubed
Filling
- 4 large eggs room temperature
- 1.5 cups granulated sugar
- 2 teaspoons lemon zest from about 2 lemons
- 0.67 cup fresh lemon juice
- 0.5 cup gluten-free all-purpose flour
- 1 teaspoon baking powder
- salt pinch
Instructions
Crust
- Preheat the oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper, leaving an overhang.
- In a medium bowl, whisk together gluten-free all-purpose flour, powdered sugar, rice flour, and salt until combined.1.5 cups gluten-free all-purpose flour, 0.5 cup powdered sugar, 0.25 cup rice flour, 0.25 teaspoon salt
- Cut in the cold butter with a pastry cutter until mixture resembles coarse crumbs, about 3 minutes.0.75 cup cold unsalted butter
- Press the mixture firmly into the bottom of the prepared pan and bake for 18 to 20 minutes, until the edges are light golden.
Filling
- While the crust bakes, whisk the eggs and granulated sugar in a large bowl until pale and slightly thickened, about 3 minutes.4 large eggs
- Stir in lemon zest, fresh lemon juice, gluten-free all-purpose flour, baking powder, and a pinch of salt until smooth.1.5 cups granulated sugar, 2 teaspoons lemon zest, 0.67 cup fresh lemon juice, 0.5 cup gluten-free all-purpose flour, 1 teaspoon baking powder
- Pour the filling over the hot crust and bake for 20 to 25 minutes, until the center is set with a slight jiggle.
- Cool completely on a wire rack, dust with powdered sugar, then chill for at least 2 hours before slicing.