Gluten free dairy free lemon bars recipe fans, you’re in for a bright, tangy treat that’s both simple and satisfying. I’m Molly Harrington, a lifelong baker from Asheville, North Carolina, and I’ve spent years perfecting desserts that everyone can enjoy. My journey began in my grandma’s cozy Ohio kitchen, where I stood on a phone book just to reach the counter, and it continues today with recipes like this one that make indulgence possible without gluten or dairy.
The magic of this gluten free dairy free lemon bars recipe lies in its harmony, a tender, golden shortbread crust paired with a silky, tangy lemon custard that delivers all the richness of the classic favorite. Whether you’re baking for a potluck, a birthday, or just to brighten a quiet afternoon, these bars are always a hit.
If you love citrus desserts, you’ll want to bookmark this gluten free dairy free lemon bars recipe and keep it close, you’ll come back to it again and again.

Table of Contents
Why This Gluten Free Dairy Free Lemon Bars Recipe Stands Out
The Perfect Blend of Chewy Crust and Tart Filling
The best part of this gluten free dairy free lemon bars recipe is the way it balances texture and flavor. The crust is tender yet sturdy enough to hold the filling, offering a delightful chewiness with every bite. Meanwhile, the lemon custard is bright, tangy, and smooth, bringing a refreshing burst of citrus that lingers pleasantly on the palate. Unlike many gluten free desserts that can feel dense or crumbly, these bars deliver a bakery-quality experience right from your own kitchen.
What Makes These Lemon Bars Special for Gluten Free and Dairy Free Diets
Traditional lemon bars often rely on wheat flour for structure and dairy butter for richness, but that doesn’t mean you need to miss out if you’re avoiding gluten and dairy. With this recipe, you’ll create the same indulgent treat using a carefully chosen gluten free flour blend and dairy free butter alternatives like Earth Balance or Miyoko’s Vegan Butter. The result? A shortbread crust that’s crisp yet tender, paired with a custard so smooth you won’t believe it’s dairy free.

Gluten Free Dairy Free Lemon Bars Recipe for Any Occasion
Ingredients
Method
- Preheat oven to 325°F. Line an 8-inch pan with parchment paper.
- Combine flour, sugar, salt, and zest. Add melted butter. Press into pan.
- Blind-bake crust for 15 minutes.
- Whisk eggs, sugar, baking powder, juice, and remaining flour. Pour over crust.
- Bake until set, about 25 minutes. Cool and refrigerate 2 hours.
- Dust with confectioners’ sugar and cut into squares.
Nutrition
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Let us know how it was!Essential Ingredients for Gluten Free Dairy Free Lemon Bars
Top Gluten Free Flour Mixes for a Perfectly Firm Crust
When making a gluten free dairy free lemon bars recipe, flour choice can make or break your dessert. A gum-free gluten free flour blend, usually superfine white rice flour, potato starch, and tapioca flour, creates a crust that’s tender but strong enough to hold the filling. If blending your own isn’t an option, try a ready-made mix like Cup4Cup or King Arthur’s Gluten Free Measure for Measure. Just steer clear of flour blends that are heavy in xanthan gum, since they can give the filling a gummy texture.

Flour Blend | Best Feature | Notes |
---|---|---|
Homemade Gum-Free Blend | Light texture, no gum | Perfect for custard-based recipes |
Cup4Cup | Balanced starch content | Slightly starchy, reliable results |
King Arthur GF Blend | Easy to find | A bit denser, still works well |
This attention to flour ensures that your gluten free dairy free lemon bars recipe doesn’t just taste good, it tastes bakery-quality.
Dairy Free Butter Alternatives for a Rich Shortbread Base
The crust of this gluten free dairy free lemon bars recipe traditionally gets its richness from butter. Thankfully, dairy free alternatives can step in without missing a beat. I recommend using half Earth Balance buttery sticks and half Spectrum vegetable shortening for the best balance of flavor and texture. Miyoko’s Kitchen Vegan Butter and Melt Organic Vegan Butter are also excellent choices. Since some dairy free butters are saltier, you may want to reduce added salt slightly.
The Role of Lemons: Juice and Zest for Bold Flavor
No gluten free dairy free lemon bars recipe would be complete without lemons. Fresh juice and zest give the custard its signature tang and brightness, far surpassing bottled lemon juice. If available, Meyer lemons add a sweet floral note, while standard lemons deliver the classic tart kick. Always zest your lemons before juicing to make sure you capture every bit of flavor for both the crust and filling.
Step-by-Step Guide to Making Gluten Free Dairy Free Lemon Bars
Preparing the Lemony Shortbread Crust
The crust is the foundation of any gluten free dairy free lemon bars recipe, and getting it right makes all the difference. Start by combining your gluten free flour blend, powdered sugar, salt, and lemon zest. Then add melted dairy free butter and mix until the dough comes together. Since gluten free dough tends to be sticky, spread it evenly into your prepared pan with an offset spatula or the back of a spoon.
Pre‑baking the crust, known as blind baking, is essential to ensure it holds up once the filling is added. This ensures your crust is firm enough to hold the custard and prevents sogginess later. Bake until it’s set but not browned, about 15 minutes.
Pro Tip: Line your baking dish with crisscrossed parchment paper. Not only does this help with even baking, but it also makes lifting the bars out of the pan much easier once they’ve chilled.
Whisking the Smooth, Tangy Lemon Custard Filling
While the crust cools, prepare the custard layer. In a medium bowl, whisk together eggs, granulated sugar, baking powder, and freshly squeezed lemon juice. Add the rest of your gluten free flour blend gradually, whisking after each addition until smooth.
Pour the custard mixture directly over the pre-baked crust. At this point, your pan should already look and smell irresistible! Bake until the filling is just set, the center should only jiggle slightly when you gently shake the pan.
Step-by-Step Summary for Success
Step | Action | Key Detail |
---|---|---|
1 | Mix crust ingredients | Use a gum-free flour blend |
2 | Press dough into pan | Line with parchment paper |
3 | Blind bake the crust | 15 minutes, just set |
4 | Whisk filling | Use fresh lemon juice & zest |
5 | Bake with filling | Set but slightly jiggly center |
6 | Chill before slicing | At least 2 hours for firmness |

By following these steps, your gluten free dairy free lemon bars recipe will have a sturdy base and a silky lemon custard that holds its shape beautifully.
Baking and Setting the Lemon Bars to Perfection
The Importance of Blind-Baking the Crust
One of the biggest pitfalls when making a gluten free dairy free lemon bars recipe is skipping the blind bake step. Without it, the crust can turn soggy once the custard is added. Blind baking helps the crust set, turn lightly golden, and stay sturdy enough to support the creamy lemon filling. Aim to bake it until firm but not deeply browned, about 15 minutes usually does the trick.
Skipping this step may lead to bars that crumble when you slice them or a crust that feels undercooked. By pre-baking, you lock in the structure, so the custard can bake evenly without overcooking.
How to Know When the Filling Is Set
When you add the custard filling to the crust, it will look quite liquid at first. Don’t panic, that’s normal. Bake just until the center has a gentle wobble when you lightly shake the pan. If the entire filling ripples like water, it’s not ready yet. Typically, this will take around 25 minutes, though oven times may vary.
Resist the temptation to overbake, as this can make the filling rubbery. The goal is a smooth, custard-like texture that firms up as it cools. Once baked, let the lemon bars rest at room temperature for about 20 minutes before moving them to the refrigerator to finish cooling. They’ll need at least 2 hours (and up to overnight) to set properly.
Pro Tips for the Best Results
- Use an oven thermometer to confirm the temperature is accurate. Gluten free flours are especially sensitive, and even slight temperature changes can affect the results.
- Don’t open the oven door too early. Rapid changes in temperature may prevent the filling from setting correctly.
- Always chill before slicing. Even if the bars look firm, chilling solidifies the custard, making for clean cuts and perfect squares.
By following these steps, your gluten free dairy free lemon bars recipe will have a crisp crust, a perfectly set filling, and a texture that rivals any traditional lemon bar.
Tips for the Best Gluten Free Dairy Free Lemon Bars
Measure Your Gluten Free Flour Blend Carefully
One of the most important tips for this gluten free dairy free lemon bars recipe is getting the flour measurement right. Dipping your measuring cup straight into the flour bag packs it down, adding more flour than needed and resulting in a heavy, dense crust. Instead, use a kitchen scale for accuracy. This recipe calls for about 233 grams of gluten free flour, so weigh it spoonful by spoonful until you hit the right number.
Always Use Fresh Lemon Juice for Bright Flavor
If you want your gluten free dairy free lemon bars recipe to shine, avoid bottled lemon juice. Freshly squeezed lemons deliver a vibrant, tangy flavor that heat only intensifies during baking. Meyer lemons add a sweet, floral twist, while standard lemons give the classic tartness people expect in lemon bars. Don’t forget the zest, nothing compares to its concentrated citrus kick.
Don’t Forget the Parchment Paper
These bars are delicate, especially right after baking. Lining your pan with parchment paper not only makes cleanup easier but also allows you to lift the bars out in one piece. This step ensures your lemon squares look as good as they taste.
Give Your Bars Time to Chill
In this gluten free dairy free lemon bars recipe, patience truly makes the difference. After baking, let the bars cool for at least 20 minutes, then refrigerate them for 2 hours or overnight. Cutting too early will result in messy slices and a less satisfying texture. The chilling time allows the custard layer to firm up for perfect squares.
Quick Recap of Essential Tips
Tip | Why It Matters |
---|---|
Weigh your flour | Prevents dense or dry crust |
Use fresh lemon juice | Delivers vibrant, authentic flavor |
Line with parchment paper | Ensures clean removal and neat slices |
Chill before cutting | Helps the custard set firmly |
How to Store and Freeze Gluten Free Lemon Bars
Keeping Them Fresh in the Fridge
Once you’ve baked and chilled your gluten free dairy free lemon bars recipe, you’ll want to keep them fresh. If you plan to enjoy them the same day, you can leave them out at room temperature after their initial chilling time. To keep them fresh longer, store the bars in an airtight container in the refrigerator, they’ll last for up to five days. This helps preserve the custard’s smooth texture while preventing the crust from softening too much.
How to Freeze and Thaw Without Losing Texture
Yes, you can absolutely freeze this gluten free dairy free lemon bars recipe for later. Once the bars have cooled completely, cut them into squares but skip any powdered sugar topping. Freeze them on a tray for about an hour until firm, then wrap each square in cling wrap and place them in a freezer-safe container or bag. Their flavor and texture stay intact for as long as three months.
When you’re ready to serve, transfer the bars to the refrigerator and let them thaw slowly. This way, the crust maintains its crispness and the custard keeps its creamy bite. Before serving, dust them with powdered sugar or add your favorite topping.
Storage and Freezing Summary
Storage Method | Duration | Tip |
---|---|---|
Room Temperature | Up to 8 hours | Only after full chilling |
Refrigerator | 4–5 days | Airtight container recommended |
Freezer | Up to 3 months | Wrap individually before freezing |
With the right storage, your gluten free dairy free lemon bars recipe can be enjoyed fresh, even days or weeks after baking.
Ingredient Substitutions for Different Dietary Needs
Egg-Free Options: Is It Possible?
One of the most common questions about a gluten free dairy free lemon bars recipe is whether it can be made egg-free. This particular recipe relies on four eggs to give the custard its creamy structure and firmness. While some bakers experiment with substitutes like flax eggs or aquafaba, they rarely deliver the same smooth, custard-like texture. If you’re strictly egg-free, you may want to try a different citrus-based dessert, such as a vegan lemon tart, which is designed without eggs from the start.
Sugar-Free Variations with Alternative Sweeteners
If you’re looking to reduce sugar in this gluten free dairy free lemon bars recipe, there are a few substitutions that work fairly well. Replace confectioners’ sugar with a powdered sugar substitute like Swerve, and swap granulated sugar for a monk fruit-based sweetener. Keep in mind that sugar substitutes can sometimes dry out the filling. To balance this, consider adding an extra tablespoon of freshly squeezed lemon juice for moisture and flavor.
Dairy-Free Butter Replacements
The only dairy in this recipe comes from the butter in the crust, which makes it one of the easier swaps. For a rich and flavorful base, use half Earth Balance buttery sticks and half Spectrum nonhydrogenated shortening. Miyoko’s Vegan Butter is another great choice if you prefer a creamier finish. Just watch the salt content, as many dairy-free butters can be saltier than traditional butter.
Quick Substitution Guide
Ingredient | Replacement | Notes |
---|---|---|
Butter | Earth Balance + Spectrum shortening | Keeps crust rich and crisp |
Eggs | Flax eggs or aquafaba (not ideal) | May alter custard texture |
Sugar | Swerve or monk fruit sweetener | Add extra lemon juice to prevent dryness |
These swaps can make your gluten free dairy free lemon bars recipe more flexible for different dietary needs while still keeping that zesty lemon flavor at the forefront.
Troubleshooting Common Problems
Preventing a Soggy Crust
One of the biggest challenges with a gluten free dairy free lemon bars recipe is avoiding a soggy crust. The key is blind-baking the shortbread layer before adding the lemon custard. Baking the crust separately for about 15 minutes ensures it’s set and sturdy, preventing the filling from soaking through. Using parchment paper also helps, as it creates a barrier that keeps moisture from seeping into the pan.
Ensuring the Bars Don’t Fall Apart When Cutting
If your lemon bars crumble when sliced, it’s usually because they haven’t chilled long enough. After baking, let the bars cool at room temperature for about 20 minutes, then chill them in the refrigerator for a minimum of 2 hours. Chilling gives the custard time to firm up, so you get clean, neat squares every time. A sharp knife wiped clean between cuts also makes a big difference.
Avoiding Overly Tart or Too-Sweet Flavor
Bakers often find their gluten free dairy free lemon bars recipe either too tart or, conversely, a bit too sweet. The balance comes from using both fresh lemon juice and zest along with the right amount of sugar. For a gentler citrus flavor, swap in Meyer lemons, they’re naturally sweeter and less tart. For more tartness, stick with classic lemons but keep the sugar measurement precise.
Quick Fixes at a Glance
Problem | Solution | Tip |
---|---|---|
Soggy crust | Blind-bake crust 15 minutes | Use parchment paper for best results |
Bars fall apart | Chill at least 2 hours | Use sharp knife, clean between cuts |
Too tart | Use Meyer lemons | Reduce zest slightly |
Too sweet | Balance with extra zest | Stick to freshly squeezed juice |
By troubleshooting these common issues, you’ll ensure your gluten free dairy free lemon bars recipe turns out bakery-perfect every time.
More Gluten Free Lemon Desserts You’ll Love
Gluten Free Lemon Cookies
Loved this gluten free dairy free lemon bars recipe? Try gluten free lemon cookies next! Buttery, light, and melt-in-your-mouth, they’re the perfect quick dessert when you don’t have time for a custard layer but still crave that bright citrus flavor.
Gluten Free Lemon Brownies
Want a fun twist on the classic bar? Try lemon brownies. Combining the fudgy chew of a brownie with the bright zing of lemon, they make a perfect match for this gluten free dairy free lemon bars recipe. A light dusting of powdered sugar on top adds a beautiful finishing touch.
Gluten Free Lemon Cake
Sometimes you want something a little more indulgent than bars or cookies. That’s when a gluten free lemon cake comes in handy. Fluffy, flavorful, and bakery-worthy, it’s the perfect celebration dessert, and an excellent follow-up to baking a gluten free dairy free lemon bars recipe for a crowd.
Gluten Free Lemon Dessert Collection
Dessert | Flavor Profile | Occasion |
---|---|---|
Lemon Cookies | Buttery, melt-in-your-mouth | Everyday treat |
Lemon Brownies | Chewy, bright citrus | Bake sales & potlucks |
Lemon Cake | Light, fluffy, indulgent | Celebrations & holidays |
Exploring these desserts ensures you’ll never run out of ways to enjoy citrus. If you loved this gluten free dairy free lemon bars recipe, keep experimenting with other lemon favorites to build a collection of go-to treats.
Conclusion
Baking a gluten free dairy free lemon bars recipe doesn’t have to feel complicated, it’s all about choosing the right ingredients, following a few key steps, and letting the bright flavor of fresh lemons shine. From blind-baking the crust to allowing enough chill time for the custard, every detail matters when creating bars that are both tender and tangy.
Whether you’re preparing them for a potluck, a family gathering, or simply to brighten up a weekend, these lemon bars deliver bakery-quality flavor right from your kitchen. And with simple storage and freezing tips, you can enjoy them fresh long after baking day.
FAQs About Gluten Free Dairy Free Lemon Bars
How do I make a gluten free and dairy free crust for lemon bars?
The crust for a gluten free dairy free lemon bars recipe is made by replacing traditional wheat flour with a gluten free flour blend and using dairy free butter alternatives. A gum-free flour mix of rice flour, potato starch, and tapioca flour works beautifully, while Earth Balance or Miyoko’s Vegan Butter adds richness without dairy. Blind-baking the crust for about 15 minutes ensures it stays crisp once the lemon custard is added.
Can I make dairy free lemon bar filling without eggs or dairy?
This gluten free dairy free lemon bars recipe can be made without dairy, but eggs are essential for the custard’s structure. While flax eggs or aquafaba may work as substitutes in some desserts, they don’t provide the same smooth, creamy texture in lemon bars. For a fully egg-free version, try a vegan lemon tart designed specifically without eggs.
What’s the best way to prevent a soggy crust in gluten free dairy free lemon bars?
The best way to prevent a soggy crust is to blind-bake it before adding the filling. This step sets the base of your gluten free dairy free lemon bars recipe, so the lemon custard doesn’t soak through. Using parchment paper also helps create a barrier between the crust and the pan, making it easier to lift the bars out later.
How long do gluten free dairy free lemon bars need to chill before cutting?
After baking, these bars should chill in the refrigerator for at least 2 hours, and ideally overnight. This ensures the custard firms up enough to slice cleanly without falling apart. Patience is key, rushing this step can make your gluten free dairy free lemon bars recipe messy when cutting.