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If you’re searching for an irresistible treat that perfectly balances tart and sweet with a light, tender crumb, then you are in for a true delight with these Gluten-Free Lemon Blueberry Bars (Dairy-Free). Bursting with the fresh zing of lemon and juicy bursts of blueberries, these bars have a buttery shortbread base that manages to be both crumbly and soft without a trace of gluten or dairy. Whether you’re gluten-sensitive or simply craving a bright, fruity dessert that feels like summer in every bite, this recipe will quickly become one of your go-to favorites to share with friends and family.

Gluten-Free Lemon Blueberry Bars (Dairy-Free) Recipe - Recipe Image

Ingredients You’ll Need

This recipe keeps things beautifully simple with pantry staples and fresh ingredients that each play a vital role. From the aromatic lemon zest that lifts the bars, to the fresh blueberries that add juicy sweetness, every element works together to create the perfect harmony of flavor and texture.

Granulated sugar (150g): Adds balanced sweetness that’s neither overpowering nor bland.
Lemon zest (2 tablespoons): Provides an aromatic citrus punch that makes the bars zing.
Salted butter (1 cup, room temperature): Creates a rich and tender crumb; you can swap with plant-based butter to keep it dairy-free.
Vanilla extract (1 teaspoon): Deepens the flavor profile with a subtle warmth and sweetness.
Gluten-free flour blend (2 ⅓ cups): The foundation for our crumbly, soft base—make sure it’s a 1:1 baking blend for best results.
Fine sea salt (½ teaspoon): Enhances all the other flavors without making it taste salty.
Fresh blueberries (3 cups): The star ingredient in the filling, bursting with juicy, fresh flavor.
Lemon juice (2 tablespoons): Adds brightness and balance to the fruity filling and glaze.
Cornstarch (1 tablespoon): Thickens the blueberry filling so it stays perfectly set.
Powdered sugar (¼ cup): Creates a smooth, tangy lemon glaze to finish the bars beautifully.

How to Make Gluten-Free Lemon Blueberry Bars (Dairy-Free)

Step 1: Preparing the Base Dough

Start by preheating your oven to 350ºF and lining an 8×8-inch pan with baking spray and parchment paper arranged in a crisscross. Then, beat together the sugar and lemon zest at high speed until fragrant and fluffy—this step wakes up the citrus flavor. Add your room-temperature butter (dairy or plant-based) and vanilla, beating until light and creamy. Finally, mix in your gluten-free flour and sea salt on low until a crumbly but cohesive dough forms. This dough will form the buttery, tender shortbread base you adore.

Step 2: Pressing the Base

Take about two-thirds of your dough and press it evenly into the bottom of the prepared pan. The key here is to get an even layer to ensure consistent baking and a sturdy foundation for your luscious filling. Set aside the remaining dough for the topping.

Step 3: Preparing the Blueberry Filling

In a separate bowl, gently toss the fresh blueberries with lemon juice, granulated sugar, and cornstarch. The cornstarch will help the juices thicken while baking so you won’t end up with soggy bars. Be careful not to overmix so the berries remain intact and juicy pockets of flavor burst through every bite.

Step 4: Assembling the Bars

Spoon the blueberry filling evenly over the pressed shortbread base, leaving behind any excess liquid to avoid excess moisture. Then crumble the remaining dough on top in an even layer. This crumbly topping will bake into a golden, buttery crust that contrasts perfectly with the tender filling below.

Step 5: Baking and Cooling

Bake your bars for about 60 minutes, or until the top is lightly golden and the blueberry filling is bubbling and set. Once out of the oven, allow the bars to cool fully in the pan; this helps the filling firm up and makes slicing much cleaner and easier.

Step 6: Lemon Glaze Finish

Mix together powdered sugar and lemon juice until smooth and drizzle over the cooled bars. This final touch adds a sweet-tart shine and a bit of extra zing that takes these bars from delicious to downright unforgettable. Slice into squares and prepare to fall in love!

How to Serve Gluten-Free Lemon Blueberry Bars (Dairy-Free)

Garnishes

Simplicity is key when garnishing these bars. A light dusting of powdered sugar is always pretty, but you can also add a few fresh blueberries or thin lemon slices on top. For a little extra flair, sprinkle finely chopped mint or basil leaves for a fresh herbaceous contrast to the sweet-tart flavors.

Side Dishes

These bars shine bright all on their own but pairing them with a dollop of coconut whipped cream or a scoop of dairy-free vanilla ice cream can turn them into a stunning dessert. Serve alongside a fresh berry salad or a crisp cup of herbal tea to complete the experience.

Creative Ways to Present

For parties or gifts, cut the bars into bite-size squares and arrange on a pretty platter with edible flowers for an elegant touch. You can also sandwich two bars with dairy-free lemon curd or blueberry jam for a fancy handheld treat. Wrapping up individual servings in parchment paper tied with twine makes a charming, thoughtful gift for friends who appreciate gluten-free delights.

Make Ahead and Storage

Storing Leftovers

Store any leftover bars in an airtight container in the refrigerator, where they will stay fresh for up to 5 days. Keeping them cool preserves the texture of the shortbread base and keeps your blueberry filling nicely set for whenever that next craving hits.

Freezing

You can freeze these bars for up to 3 months by wrapping them tightly in plastic wrap and then placing them in a freezer-safe container or zip-top bag. When you’re ready to enjoy, thaw them overnight in the fridge to maintain their texture and flavor.

Reheating

If you prefer your bars slightly warmed, pop them in the oven at 300ºF for 10-15 minutes before serving. This brings out the lemon aroma and softens the base just enough without making the topping soggy or melting the glaze completely.

FAQs

Can I use frozen blueberries instead of fresh?

Yes, frozen blueberries work well too! Just make sure to thaw and drain any excess liquid before mixing with the sugar and cornstarch to avoid soggy bars.

Is this recipe suitable for vegans?

Absolutely! Just swap the salted butter for your favorite plant-based butter, and all other ingredients are naturally vegan-friendly.

What gluten-free flour blend should I use?

Choose a 1:1 gluten-free baking blend that contains xanthan gum or another binder to mimic the texture of wheat flour. This ensures the bars have the perfect crumbly but tender texture.

Can I make these bars nut-free?

Yes, this recipe is naturally nut-free as long as you use a gluten-free flour blend that does not contain nuts.

How long do the bars keep at room temperature?

It’s best to store them in the refrigerator, but if kept covered in an airtight container, the bars can last a day or two at room temperature in a cool environment.

Final Thoughts

I can’t recommend these Gluten-Free Lemon Blueberry Bars (Dairy-Free) enough if you want a dessert that is bright, fresh, and utterly comforting. They bring together the perfect blend of tart lemon and sweet blueberries with a buttery crumb that everyone will swoon over, regardless of dietary preferences. Trust me, once you try making and sharing these bars, they’ll quickly become a staple in your kitchen for sunny-day treats and cozy moments alike.

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