Easy Lemon Blueberry Shortbread Bars for Summer Dessert
Crispy Lemon Blueberry Shortbread Bars are the perfect easy summer dessert. After making these many times, I’ve discovered the trick to a perfect, melt-in-your-mouth shortbread crust and a tangy, not-too-sweet lemon filling. Keep reading for my best tips or jump to the recipe card. If you love recipes like this, you’ll also enjoy Crispy Oven-Fried Feta Rolls with Spicy Honey Dip and Mango Coconut Cupcakes with Creamy Coconut Buttercream.
Why This Easy Lemon Blueberry Shortbread Bars for Summer Dessert Is Pure Comfort
- Crispy shortbread crust that melts in your mouth
- Tangy, not-too-sweet lemon filling
- Fresh blueberry topping for a pop of color and flavor
- Easy to make and perfect for summer cookouts
What You'll Need for Easy Lemon Blueberry Shortbread Bars for Summer Dessert
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- All-purpose flour
- Granulated sugar
- Unsalted butter
- Lemon
- Blueberries
- Lemon zest
- Lemon juice
- Salt
- Vanilla extract
- Optional: Powdered sugar for dusting
📝 Ingredient Notes
- All-purpose flour: Make sure to measure accurately for the perfect shortbread texture.
🛒 Tools & Equipment I Recommend
- Silicone baking mat — Prevents the bars from sticking and ensures even baking. → See on Amazon
- Food processor — Makes quick work of mixing the shortbread dough. → See on Amazon
How to Make Easy Lemon Blueberry Shortbread Bars for Summer Dessert
- Prepare the crust: Combine flour, sugar, and butter in a food processor until crumbly. Press into a greased 8×8-inch pan and bake at 350°F (175°C) for 15 minutes.
- Make the filling: Whisk together lemon zest, lemon juice, sugar, and eggs. Pour over the hot crust and return to the oven for 20 minutes.
- Add the topping: Scatter blueberries over the filling and bake for another 20-25 minutes until golden and bubbly.
- Cool and serve: Cool completely, dust with powdered sugar, and cut into bars.
Cook's Tips for Perfect Easy Lemon Blueberry Shortbread Bars for Summer Dessert
- Crust tips: Chill the dough for 10 minutes before baking to prevent the crust from shrinking.
- Common mistake and fix: If the crust is underbaked, it will be soggy. Bake until golden brown and allow to cool completely before adding the filling.
- Filling tips: Whisk the filling ingredients vigorously to ensure a smooth, lump-free mixture.
- Topping tips: Use fresh blueberries for the best flavor and color. Frozen can be used but may bleed more color into the filling.
Storing & Reheating Easy Lemon Blueberry Shortbread Bars for Summer Dessert
Short-Term Storage
Store in an airtight container in the fridge. Store in an airtight container in the fridge for up to 5 days. Make-ahead tip: The crust can be made ahead and frozen. Thaw before adding the filling.
Freezing Easy Lemon Blueberry Shortbread Bars for Summer Dessert
Freeze for up to 3 months. Thaw overnight in the fridge before serving.
How to Reheat Without Drying It Out
Oven: Reheat at 300°F (150°C) for 10-15 minutes until warmed through. Microwave: Reheat in the microwave for 15-20 seconds until warmed through.
Recipe Notes
- Chef tip: For a gluten-free version, substitute the all-purpose flour with a 1:1 gluten-free flour blend.
- Best substitution: Raspberries or blackberries can be used instead of blueberries.
- Make-ahead: The bars can be made a day ahead and stored in the fridge. Dust with powdered sugar just before serving.
- Scaling: This recipe can be doubled and baked in a 9×13-inch pan. Increase baking time by 5-10 minutes.
- Troubleshooting: If the crust is too crumbly, add a tablespoon or two of cold water and pulse until the dough comes together.
Want to level up this recipe?
High-quality lemon zester — Makes it easy to zest lemons quickly and evenly for the perfect lemon flavor. → Check price on Amazon
Easy Lemon Blueberry Shortbread Bars for Summer Dessert
Ingredients
Main Ingredients
- All-purpose flour
- Granulated sugar
- Unsalted butter
- Lemon
- Blueberries
Seasonings
- Lemon zest
- Lemon juice
- Salt
- Vanilla extract
Optional Toppings
- Powdered sugar for dusting
Instructions
- Prepare the crust: Combine flour, sugar, and butter in a food processor until crumbly. Press into a greased 8×8-inch pan and bake at 350°F (175°C) for 15 minutes.
- Make the filling: Whisk together lemon zest, lemon juice, sugar, and eggs. Pour over the hot crust and return to the oven for 20 minutes.
- Add the topping: Scatter blueberries over the filling and bake for another 20-25 minutes until golden and bubbly.
- Cool and serve: Cool completely, dust with powdered sugar, and cut into bars.
Notes
- Chef tip: For a gluten-free version, substitute the all-purpose flour with a 1:1 gluten-free flour blend.
- Best substitution: Raspberries or blackberries can be used instead of blueberries.
- Make-ahead: The bars can be made a day ahead and stored in the fridge. Dust with powdered sugar just before serving.
- Scaling: This recipe can be doubled and baked in a 9×13-inch pan. Increase baking time by 5-10 minutes.
- Troubleshooting: If the crust is too crumbly, add a tablespoon or two of cold water and pulse until the dough comes together.
Storage
- Fridge: Store in an airtight container in the fridge for up to 5 days.
- Freezer: Freeze for up to 3 months. Thaw overnight in the fridge before serving.
- Oven reheat: Reheat at 300°F (150°C) for 10-15 minutes until warmed through.
- Microwave reheat: Reheat in the microwave for 15-20 seconds until warmed through.
- Make ahead: The crust can be made ahead and frozen. Thaw before adding the filling.
Nutrition Per Serving
- Calories: 280
- Protein: 3g
- Fat: 14g
- Carbs: 36g
- Fiber: 1g
- Sugar: 22g
- Sodium: 100mg
- Cholesterol: 60mg
- Sat. Fat: 8g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Lemon Blueberry Shortbread Bars for Summer Dessert FAQs
Yes, the bars can be made a day ahead and stored in the fridge. Dust with powdered sugar just before serving.
If the crust is underbaked, it will be soggy. Make sure to bake until golden brown and allow to cool completely before adding the filling.
Yes, frozen blueberries can be used but may bleed more color into the filling. Thaw before using for the best results.
No, these bars are best baked in the oven. The air fryer may not cook the filling evenly.
Store in an airtight container in the fridge for up to 5 days. Freeze for up to 3 months.
A Warm Final Note
I can’t wait for you to try Easy Lemon Blueberry Shortbread Bars for Summer Dessert and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
