Desserts

Gluten Free Lemon Bars

Name: Gluten Free Lemon Bars
Prep time: 20 min
Cook time: 40 min
Total time: 60 min
Yield: 9 servings
Ingredients: 2 cups (250g) rice flour; 1 cup (120g) tapioca starch; 1 teaspoon xanthan gum; 1/2 cup (100g) granulated sugar; 2 large eggs; 2 tablespoons freshly squeezed lemon juice; 1/4 teaspoon salt; 1/2 cup (115g) unsalted butter, melted; 1 teaspoon vanilla extract; 1 cup (120g) confectioners' sugar

By Maren Sinclair · June 19, 2026 · Desserts

Prep20 min

Cook40 min

Total60 min

Serves9

I still remember the first time I made gluten-free lemon bars for my family gathering. The combination of the shortbread crust and the tangy lemon filling was a huge hit, and everyone was amazed that they were gluten-free. As someone who has been living with celiac disease for years, I've learned to adapt my favorite recipes to accommodate my dietary needs. In this recipe, I'll share my secrets for making the perfect gluten-free lemon bars that are sure to become a staple in your household.

One of the biggest challenges of gluten-free baking is finding the right balance of ingredients to achieve the perfect texture. In this recipe, we'll use a combination of rice flour, tapioca starch, and xanthan gum to create a tender and crumbly shortbread crust. The lemon filling is made with freshly squeezed lemon juice, sugar, eggs, and a touch of salt, which provides a beautiful balance of flavors.

What I love most about this recipe is that it's not only delicious, but it's also easy to make and requires minimal special equipment. With just a few simple ingredients and some basic kitchen tools, you can create a dessert that's sure to impress your friends and family. So, let's get started and make some gluten-free lemon bars!

This recipe is perfect for anyone who loves lemon desserts, and it's also a great option for those who are looking for a gluten-free alternative to traditional lemon bars. The best part is that it's easy to customize to your taste preferences, so feel free to experiment with different flavors and ingredients to make it your own.

Whether you're a seasoned baker or just starting out, this recipe is a great way to get started with gluten-free baking. With its simple instructions and minimal ingredients, you'll be able to create a delicious and impressive dessert that's sure to become a favorite in your household.

Why You’ll Love This Recipe

These gluten-free lemon bars are easy to make and require minimal special equipment
The combination of the shortbread crust and the tangy lemon filling is a perfect balance of flavors and textures
This recipe is perfect for anyone with gluten intolerance or sensitivity, and it's also a great option for those who are looking for a gluten-free alternative to traditional lemon bars
The recipe is highly customizable, so you can experiment with different flavors and ingredients to make it your own
The gluten-free lemon bars are perfect for serving at parties or gatherings, and they're also a great option for a quick and easy dessert
The recipe is easy to follow and requires minimal ingredients, making it a great option for beginners or experienced bakers alike

Why This Recipe Works

The key to making great gluten-free lemon bars is to use a combination of ingredients that provide structure and texture to the crust and filling. In this recipe, we'll use a blend of rice flour, tapioca starch, and xanthan gum to create a tender and crumbly shortbread crust. The lemon filling is made with freshly squeezed lemon juice, sugar, eggs, and a touch of salt, which provides a beautiful balance of flavors.

The xanthan gum is a critical ingredient in this recipe, as it helps to bind the ingredients together and provide structure to the crust. Without it, the crust would be crumbly and fall apart easily. The tapioca starch helps to absorb excess moisture and prevent the crust from becoming too dense or heavy.

The lemon filling is also an important component of this recipe, as it provides a tangy and sweet contrast to the richness of the crust. The freshly squeezed lemon juice adds a bright and citrusy flavor that's balanced by the sugar and eggs. The touch of salt enhances the flavors and helps to balance out the sweetness.

By using a combination of these ingredients and following the instructions carefully, you'll be able to create a delicious and impressive gluten-free lemon bar that's sure to become a favorite in your household.

Ingredients You’ll Need

To make these delicious gluten-free lemon bars, you'll need a few simple ingredients, including rice flour, tapioca starch, xanthan gum, lemon juice, sugar, eggs, and salt. You'll also need some basic kitchen tools, such as a mixing bowl, a whisk, and a baking dish.

When shopping for ingredients, be sure to choose high-quality options that are fresh and flavorful. For the lemon juice, you can use freshly squeezed juice or bottled juice, depending on your preference. For the sugar, you can use granulated sugar or a combination of granulated and brown sugar for a slightly different flavor.

2 cups (250g) rice flourRice flour is a critical ingredient in this recipe, as it provides structure and texture to the crust. Look for a high-quality rice flour that is finely milled and has a light, airy texture.
1 cup (120g) tapioca starchTapioca starch helps to absorb excess moisture and prevent the crust from becoming too dense or heavy. It's also a great ingredient for adding structure and texture to the filling.
1 teaspoon xanthan gumXanthan gum is a critical ingredient in this recipe, as it helps to bind the ingredients together and provide structure to the crust. Without it, the crust would be crumbly and fall apart easily.
1/2 cup (100g) granulated sugarGranulated sugar adds a touch of sweetness to the filling and helps to balance out the flavors. You can use a combination of granulated and brown sugar for a slightly different flavor.
2 large eggsEggs provide moisture and richness to the filling, and help to bind the ingredients together. Look for high-quality eggs that are fresh and have a good texture.
2 tablespoons freshly squeezed lemon juiceFreshly squeezed lemon juice adds a bright and citrusy flavor to the filling, and helps to balance out the sweetness. You can use bottled juice as a substitute, but freshly squeezed juice is always best.
1/4 teaspoon saltSalt enhances the flavors and helps to balance out the sweetness. Look for a high-quality salt that is finely milled and has a good texture.
1/2 cup (115g) unsalted butter, meltedMelted butter helps to bind the ingredients together and provide moisture to the crust. Look for high-quality butter that is fresh and has a good texture.
1 teaspoon vanilla extractVanilla extract adds a touch of flavor and aroma to the filling, and helps to balance out the flavors. Look for high-quality vanilla extract that is made from real vanilla beans.
1 cup (120g) confectioners' sugarConfectioners' sugar helps to add a smooth and creamy texture to the filling, and provides a touch of sweetness. Look for high-quality confectioners' sugar that is finely milled and has a good texture.

Equipment You’ll Need

Large mixing bowlWhiskMeasuring cups and spoonsBaking dish (8x8 inches)Instant-read thermometerElectric mixer (optional)

How to Make Gluten Free Lemon Bars

1
Preheat the oven to 350°F (175°C) and line an 8x8 inch baking dish with parchment paper.
2
In a large mixing bowl, whisk together the rice flour, tapioca starch, xanthan gum, and salt.
3
Add the melted butter to the dry ingredients and stir until the mixture forms a crumbly dough.
4
Press the dough into the prepared baking dish and bake for 20-25 minutes, or until the crust is lightly golden brown and set.
5
While the crust is baking, prepare the lemon filling by whisking together the eggs, granulated sugar, lemon juice, and vanilla extract.
6
When the crust is ready, remove it from the oven and let it cool for 5 minutes.
7
Pour the lemon filling over the warm crust and smooth out the top.
8
Return the baking dish to the oven and bake for an additional 20-25 minutes, or until the filling is set and the top is lightly golden brown.
9
Remove the baking dish from the oven and let it cool completely on a wire rack.
10
Once the bars have cooled, dust them with confectioners' sugar and cut into squares.
11
Serve the gluten-free lemon bars at room temperature, or store them in an airtight container in the refrigerator for up to 3 days.

Expert Tips

To ensure that the crust is evenly baked, rotate the baking dish halfway through the baking time.
If you find that the crust is too crumbly, you can try adding a little more xanthan gum to help bind the ingredients together.
To get a smooth and creamy filling, make sure to whisk the eggs and sugar together until they are well combined and smooth.
If you're not using an electric mixer, be sure to whisk the filling ingredients together by hand until they are well combined and smooth.
To prevent the bars from becoming too dry, make sure to not overbake them. Check the bars after 20 minutes and cover the top with foil if they are browning too quickly.
To add a little extra flavor to the bars, you can try adding a teaspoon of grated lemon zest to the filling ingredients.
To make the bars more visually appealing, you can try adding a sprinkle of confectioners' sugar on top of the bars before serving.

Common Mistakes to Avoid

Not using enough xanthan gum, which can result in a crumbly crust.
Overbaking the crust, which can cause it to become too dark and brittle.
Not whisking the filling ingredients together enough, which can result in a filling that is not smooth and creamy.
Not letting the bars cool completely before cutting into them, which can cause them to fall apart.
Not storing the bars in an airtight container, which can cause them to become stale and dry.
Not using high-quality ingredients, which can affect the texture and flavor of the bars.

Variations and Substitutions

Adding a teaspoon of grated lemon zest to the filling ingredients for extra flavor.
Using a combination of granulated and brown sugar for a slightly different flavor.
Adding a sprinkle of confectioners' sugar on top of the bars before serving for a decorative touch.
Using a different type of flour, such as almond flour or coconut flour, for a different texture and flavor.
Adding a handful of chopped nuts or chocolate chips to the filling ingredients for added texture and flavor.
Using a different type of citrus fruit, such as lime or orange, for a different flavor profile.
Making a layer of fresh fruit, such as raspberries or blueberries, on top of the bars for added flavor and texture.

What to Serve With Gluten Free Lemon Bars

These gluten-free lemon bars are perfect for serving at parties or gatherings, and they're also a great option for a quick and easy dessert. You can serve them on their own, or with a scoop of vanilla ice cream or a dollop of whipped cream. They're also a great option for a potluck or picnic, as they're easy to transport and can be served at room temperature.

Some other ideas for serving these gluten-free lemon bars include: serving them with a side of fresh fruit, such as strawberries or blueberries; using them as a base for a sundae, with a scoop of ice cream and your favorite toppings; or serving them with a cup of coffee or tea for a sweet and satisfying breakfast or snack.

Serve with a scoop of vanilla ice creamServe with a dollop of whipped creamServe with a side of fresh fruitUse as a base for a sundaeServe with a cup of coffee or tea

Make-Ahead, Storage, Freezing and Reheating

These gluten-free lemon bars can be stored in an airtight container in the refrigerator for up to 3 days. You can also freeze them for up to 2 months, and thaw them at room temperature when you're ready to serve. To freeze the bars, simply place them in a single layer in a freezer-safe bag or container, and store them in the freezer.

To thaw the bars, simply place them in a single layer on a wire rack or plate, and let them thaw at room temperature for a few hours. You can also thaw them in the refrigerator overnight, and serve them in the morning.

It's also a good idea to label the container or bag with the date and contents, so you can keep track of how long they've been stored. This will help you to ensure that the bars are fresh and safe to eat, and that you're not serving old or stale bars to your guests.

When you're ready to serve the bars, you can simply cut them into squares and serve them at room temperature. You can also dust them with confectioners' sugar or serve them with a scoop of ice cream for a special treat.

Frequently Asked Questions

What is the best way to store gluten-free lemon bars?

The best way to store gluten-free lemon bars is in an airtight container in the refrigerator for up to 3 days. You can also freeze them for up to 2 months, and thaw them at room temperature when you're ready to serve.

Can I use a different type of flour in this recipe?

Yes, you can use a different type of flour in this recipe, but keep in mind that it may affect the texture and flavor of the bars. Some options include almond flour, coconut flour, or oat flour.

How do I know when the bars are done baking?

The bars are done baking when the crust is lightly golden brown and the filling is set. You can check for doneness by inserting a toothpick into the center of the bars. If it comes out clean, the bars are done.

Can I make these bars ahead of time?

Yes, you can make these bars ahead of time. Simply bake the crust and prepare the filling, then assemble and bake the bars when you're ready to serve. You can also make the bars and store them in the refrigerator or freezer for later use.

What is the best way to serve gluten-free lemon bars?

The best way to serve gluten-free lemon bars is at room temperature, with a scoop of vanilla ice cream or a dollop of whipped cream. You can also serve them with a side of fresh fruit or use them as a base for a sundae.

Can I use a different type of citrus fruit in this recipe?

Yes, you can use a different type of citrus fruit in this recipe, such as lime or orange. Keep in mind that it may affect the flavor and texture of the bars.

How do I prevent the bars from becoming too dry?

To prevent the bars from becoming too dry, make sure to not overbake them. Check the bars after 20 minutes and cover the top with foil if they are browning too quickly.

Can I make these bars in a different size pan?

Yes, you can make these bars in a different size pan, but keep in mind that it may affect the baking time and texture of the bars. A larger pan will result in a thinner crust and filling, while a smaller pan will result in a thicker crust and filling.

The Full Recipe

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