Lemon blueberry bars are a delightful dessert that combines the tartness of lemon with the sweetness of blueberries. These bars are perfect for any occasion, offering a refreshing and zesty flavor in every bite.
The soft, buttery base provides the ideal contrast to the bright, fruity topping. With just the right balance of flavors, lemon blueberry bars are an excellent treat for those who love citrus and berries. Whether you’re hosting a summer party or seeking a sweet treat, these bars are sure to impress.

Why You’ll Love Lemon Blueberry Bars
Perfect Balance of Flavors: Lemon blueberry bars combine the tangy freshness of lemons with the sweet juiciness of blueberries, creating a harmonious blend. The combination creates a burst of flavor that’s both refreshing and satisfying, making every bite a delicious treat.
Light and Refreshing: These bars are light and not overly heavy, making them a perfect snack or dessert. The zesty lemon gives a refreshing taste, while the blueberries add a touch of sweetness without overwhelming the palate.
Packed with Nutrients: Blueberries are rich in antioxidants and vitamins, making these bars a healthy treat. Combined with the vitamin C from the lemons, they offer a boost of nutrients, helping you feel good while enjoying a sweet indulgence.
Ingredient Notes for Lemon Blueberry Bars
When making lemon blueberry bars, you’ll need a handful of simple ingredients to create the perfect balance of flavors. Here’s a breakdown of each one:
- All-purpose flour: This is the main base for the bars. It provides them with structure and helps keep everything together.
- Granulated sugar: This adds sweetness to balance the tanginess of the lemon and the slight tartness of the blueberries. It also helps achieve that golden, crisp top.
- Baking powder: This is a leavening agent that helps the bars rise and become light and airy rather than dense.
- Salt: A small amount of salt brings out the flavors in the recipe and balances the sweetness.
- Unsalted butter: Butter gives the crust and bars a rich, tender texture. Make sure to use unsalted butter so you can control the saltiness of the recipe.
- Egg yolk: The egg yolk adds richness and helps bind the ingredients together, resulting in bars that are firm yet soft.
- Vanilla extract: This adds a subtle depth of flavor, enhancing the sweetness and fruitiness of the bars.
How to Make Lemon Blueberry Bars
- Preheat the oven to 350°F (175°C) and line a 9×9-inch baking pan with parchment paper or grease it lightly.
- Prepare the crust: In a large bowl, whisk together the flour, sugar, baking powder, and salt until well combined. Add the cold butter cubes and use a pastry cutter or your fingers to mix until the mixture resembles coarse crumbs. Add the egg yolk and vanilla extract, then mix until the dough comes together.
- Press the crust: Transfer the dough into the prepared pan and press it evenly to form the base. Bake for 15 minutes or until lightly golden.
- Make the filling: In a medium bowl, whisk together the eggs, sugar, flour, salt, lemon zest, and lemon juice until smooth. Stir in the fresh blueberries.
- Bake the bars: Pour the lemon-blueberry mixture over the crust and bake for an additional 25 minutes or until the filling is set and lightly golden on top.
- Cool and cut: Allow the bars to cool completely in the pan on a wire rack. Once cooled, cut into squares or bars.
Lemon Blueberry Bars Variation
Lemon blueberry bars are versatile, allowing you to easily adjust the ingredients to suit your taste or dietary preferences. Here are some variations you can try:
- Add Nuts: Consider adding a handful of chopped almonds or pecans to the crust for extra crunch and flavor.
- Swap the Berries: If you’re not a fan of blueberries, you can substitute them with raspberries, strawberries, or blackberries for a similar refreshing taste.
- Use Whole Wheat Flour: For a healthier option, replace the all-purpose flour with whole wheat flour. This will add a bit of nuttiness to the flavor and increase the fiber content.
- Add Coconut Flakes: If you enjoy coconut, sprinkle shredded coconut over the top before baking. It pairs wonderfully with the tangy lemon.
- Use a Dairy-Free Version: For a dairy-free version, use non-dairy butter and replace the egg with a flaxseed or chia egg.
How to Serve Lemon Blueberry Bars
Lemon blueberry bars are perfect for serving in several ways:
- Chilled or Room Temperature: After baking, let the bars cool to room temperature and then refrigerate them for a few hours. The cool temperature enhances their flavor and texture. They can also be served at room temperature if you prefer.
- With a Dusting of Powdered Sugar: For an elegant touch, dust the top of the bars with powdered sugar just before serving. It adds sweetness and a visual appeal.
- Pair with Whipped Cream: Serve the bars with a dollop of freshly whipped cream or a scoop of vanilla ice cream for a more indulgent dessert.
- As part of a dessert tray, cut the bars into smaller, bite-sized pieces and include them alongside cookies, brownies, and other treats for a fun and colorful spread.
Storage Tips
Proper storage helps maintain the freshness and flavor of your lemon blueberry bars. Here are some helpful tips:
- Refrigerate for Freshness: Store the bars in an airtight container in the refrigerator for optimal freshness. They will stay fresh for up to 5 days.
- Freezing Option: If you’d like to save some for later, you can freeze the bars. Wrap them tightly in plastic wrap or foil and place them in a freezer-safe bag. They can be frozen for up to 3 months. Thaw them in the refrigerator before serving.
- Avoid Direct Sunlight: Always store your bars in a cool, dry place to prevent them from becoming too warm and soggy. Ensure they are well-protected, especially if stored at room temperature.
FAQs About Lemon Blueberry Bars
How long do lemon blueberry bars stay fresh?
Lemon blueberry bars can be stored fresh for up to 3 days in an airtight container at room temperature. For more extended storage, please keep them in the fridge for up to a week.
Can I substitute the lemon with another fruit?
Yes, you can substitute lemon with other fruits, such as orange or lime, for a different citrus flavor. Just make sure the acidity level is similar to lemon for the best taste.
Can I make lemon blueberry bars gluten-free?
Yes, you can make lemon blueberry bars gluten-free by using a gluten-free all-purpose flour blend. Be sure to check the flour blend to ensure it works for baking.
Are lemon blueberry bars suitable for vegans?
Lemon blueberry bars can be made vegan by replacing eggs with flaxseed meal and using a plant-based butter substitute. This keeps the flavor and texture similar to the traditional recipe.

Creamy Lemon Blueberry Bars Recipe
Equipment
- 9×9 inch baking pan
- Mixing Bowls
- Whisk
- Rubber spatula
- Measuring Cups and Spoons
- Grater
- Cooling Rack
Ingredients
For the crust:
- 1 1/2 cups all-purpose flour
- 1/2 cup granulated sugar
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
- 1/2 cup unsalted butter
- 1 large egg yolk
- 1 teaspoon vanilla extract
For the filling:
- 2 large eggs
- 1 cup granulated sugar
- 2 tablespoons all-purpose flour
- 1/4 teaspoon salt
- 2 teaspoons lemon zest
- 1/2 cup fresh lemon juice
- 1/2 cup fresh blueberries
Instructions
- Preheat the oven to 350°F (175°C) and line a 9×9-inch baking pan with parchment paper or lightly grease it.
- Prepare the crust: In a large bowl, whisk together the flour, sugar, baking powder, and salt. Add the cold butter cubes and use a pastry cutter or your fingers to mix until the mixture resembles coarse crumbs. Add the egg yolk and vanilla extract, then mix until the dough comes together.
- Press the crust: Transfer the dough into the prepared pan and press it evenly to form the base. Bake for 15 minutes, or until lightly golden.
- Make the filling: In a medium bowl, whisk together the eggs, sugar, flour, salt, lemon zest, and lemon juice. Stir in the fresh blueberries.
- Bake the bars: Pour the lemon-blueberry mixture over the crust and bake for an additional 25 minutes, or until the filling is set and lightly golden on top.
- Cool and cut: Allow the bars to cool completely in the pan on a wire rack. Once cooled, cut into squares or bars.
Notes
- Let the bars cool completely before cutting into them to avoid a runny filling. The longer they cool, the more firm the texture will be.
- You can use frozen blueberries in place of fresh, but fresh ones work best for a more vibrant flavor.