Lemon Blueberry Bars

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Bright, zesty, and bursting with sweet-tart flavor, these Lemon Blueberry Bars are sunshine in dessert form. With a buttery shortbread base, a luscious lemon custard, and juicy bursts of blueberries in every bite, they strike the perfect balance between tangy and sweet. These bars are just as welcome at a summer picnic as they are on a cozy winter afternoon with tea.

What makes this recipe a standout is the simplicity. You don’t need a mixer or any fancy tools. It’s made with pantry staples and comes together quickly. The blueberries turn jammy as they bake, and the lemon filling sets to a creamy, dreamy finish. Topped with a light dusting of powdered sugar, they’re impossible to resist.

Can I Use Frozen Blueberries for Lemon Blueberry Bars?

Yes, you absolutely can! Frozen blueberries work beautifully, especially when fresh berries aren’t in season. Just be sure to use them straight from the freezer without thawing—this prevents bleeding color into the lemon layer. They might need a few extra minutes in the oven, but the result will still be deliciously vibrant.

Ingredients for the Lemon Blueberry Bars

All-Purpose Flour
This forms the sturdy yet tender base for your shortbread crust and helps thicken the lemon layer.

Granulated Sugar
Used in both the crust and filling to balance the tartness of the lemon and enhance sweetness.

Butter
Unsalted butter gives the crust its melt-in-your-mouth texture and rich flavor.

Eggs
Key to setting the lemon custard. They bind everything and add creaminess.

Lemon Juice & Zest
The heart of the flavor. Fresh lemon juice brings that signature zing while zest deepens the citrus aroma.

Blueberries
Fresh or frozen, these gems burst with juicy sweetness and contrast the lemon layer beautifully.

Powdered Sugar
A light dusting before serving gives a touch of elegance and sweetness.

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How To Make the Lemon Blueberry Bars

Step 1: Make the Shortbread Crust

Preheat your oven to 350°F (175°C). Line an 8×8 inch baking dish with parchment paper. In a bowl, mix 1 cup of flour, 1/4 cup of sugar, and 1/2 cup of melted butter until crumbly. Press into the pan and bake for 15-18 minutes or until lightly golden.

Step 2: Prepare the Lemon Filling

While the crust is baking, whisk together 2 eggs, 3/4 cup of sugar, 2 tablespoons of flour, 1/4 cup of fresh lemon juice, and 1 tablespoon of lemon zest until smooth.

Step 3: Add Blueberries

Fold in 1 cup of blueberries into the lemon mixture. Once the crust is out of the oven, pour the lemon blueberry filling over the warm crust.

Step 4: Bake Until Set

Return to the oven and bake for 22-25 minutes, or until the center is just set and no longer jiggles.

Step 5: Cool and Slice

Let the bars cool completely in the pan, then refrigerate for at least 1 hour before slicing. Dust with powdered sugar just before serving.

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Serving and Storing Lemon Blueberry Bars

Serve these bars chilled for the best texture and flavor contrast. The lemon layer becomes even more creamy, and the blueberry bursts stand out. For neat slices, use a hot knife and wipe between cuts.

Store leftovers in an airtight container in the refrigerator for up to 5 days. They also freeze well! Wrap individual bars in plastic and place in a zip-top bag. They can be frozen for up to 2 months. Just thaw in the fridge before enjoying.

What to Serve With Lemon Blueberry Bars?

Fresh Whipped Cream

A light, airy dollop complements the tartness of the lemon.

Vanilla Bean Ice Cream

Creamy and smooth, it adds a cool contrast to the zesty bar.

Sparkling Lemonade

A fizzy drink that echoes the citrus theme.

Blueberry Compote

Drizzle on top for double blueberry delight.

Shortbread Cookies

Double up on buttery goodness with a side of crisp shortbread.

Iced Earl Grey Tea

The bergamot notes pair beautifully with lemon.

Toasted Coconut Flakes

Sprinkle for a tropical crunch.

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Want More Dessert Bar Ideas?

If you adore these Lemon Blueberry Bars, here are a few other treats from Chef Alchemy you’ll love:

• Cherry Chocolate Cheesecake for rich, fruity indulgence.
• Two-Ingredient Lemon Bars for the simplest citrus fix.
• Chocolate Raspberry Drip Cake for the ultimate dramatic dessert.
• Strawberry Cheesecake Bundt Cake if you’re craving berry cheesecake in a new form.
• Chocolate Chip Cookie Bars for classic comfort.

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And let me know in the comments how yours turned out. Did you use fresh or frozen berries? Did you dust with sugar or glaze with lemon?

I love seeing your creations and sharing baking tips with this community.

Explore beautifully curated health-boosting drinks on ChefAlchemy’s Recipes and discover your new go-to for feeling great!

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