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Finished lemon blueberry bars.
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5 from 1 vote

Lemon Blueberry Bars

Summer sunshine in a dessert? Yes ma'am! These lemon blueberry bars are tangy and sweet, bursting with lemon and blueberries, all on top of a buttery shortbread crust. Get ready for a refreshing taste of sunshine in every bite!
Prep Time10 minutes
Cook Time35 minutes
Total Time45 minutes
Course: Dessert, Snack
Cuisine: American
Keyword: blueberry lemon bars, lemon bars, lemon blueberry bars, shortbread, shortbread crust
Servings: 16 squares
Calories: 173kcal

Ingredients

Shortbread Crust

  • 1 stick butter, melted
  • ½ cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1 teaspoon lemon zest (about 1 lemon)
  • 1 ¼ cup all purpose flour

Lemon Blueberry Filling

  • 2 large egg yolks
  • 14 ounces sweetened condensed milk
  • ½ cup lemon juice
  • 1 teaspoon lemon zest (about 1 lemon)
  • 1 ½ cups blueberries, fresh or frozen (if frozen, do not thaw)

Instructions

Shortbread Crust

  • Preheat oven to 350℉.
  • In a bowl, whisk together the butter, sugar, vanilla, and lemon zest until smooth.
    1 stick butter, melted, ½ cup granulated sugar, 1 teaspoon vanilla extract, 1 teaspoon lemon zest (about 1 lemon)
  • Then, add the flour and stir until all ingredients come together in a crumbly dough.
    1 ¼ cup all purpose flour
  • Press the dough evenly into the bottom of a parchment-lined 8 x 8 baking dish.
  • Bake on the middle rack of the oven for 20 minutes.
  • Let cool to room temperature.

Lemon Blueberry Filling

  • In another bowl, whisk together the egg yolks and sweetened condensed milk.
    2 large egg yolks, 14 ounces sweetened condensed milk
  • Stir in the lemon juice and zest.
    ½ cup lemon juice, 1 teaspoon lemon zest (about 1 lemon)
  • Lastly, gently fold in the blueberries.
    1 ½ cups blueberries, fresh or frozen (if frozen, do not thaw)
  • Once the shortbread crust has cooled, pour the lemon mixture over top of the crust in the pan.
  • Bake for 15 minutes or until set when you give the pan a shake.
  • Let cool to room temperature and then refrigerate for at least 2 hours. Patience is key!
  • Sprinkle with a dusting of powdered sugar just before serving.
  • Enjoy!

Notes

👩‍🍳 Pro Tip: To cut clean squares, make sure: (a) the bars have completely cooled before attempting to slice them, and (b) use a sharp knife and wipe the knife clean between each cut.
 
🧺 Storage: When kept covered in the refrigerator, these lemon blueberry bars will stay delicious for several days.
 
😃 Delicious Variations
  • Crust - Switch things up and make a graham cracker crust instead. Just pulse some graham crackers in a food processor until they form crumbs, then mix with a little melted butter. Press this mixture into the bottom of the pan and bake as usual.
  • Topping - Set aside a little bit of the shortbread dough and sprinkle it on top of the lemon blueberry filling for a crumble topping.
  • Fruit additions - Besides blueberries, try mixing in other fruits, like raspberries, blackberries, strawberries, kiwis, peaches, mangoes, or any other soft fruit.
  • Filling - Feeling adventurous? Why limit yourself to lemon bars? Try making the filling with other citrus fruits like lime, orange, grapefruit, kumquat, yuzu, or any other citrus your heart desires!
  • Pan size & shape - If you don't have an 8" x 8" pan handy, use a 9 x 13 (just be aware that the lemon filling won't be as thick) or even a tart pan!
 
😃 Suggestion: If you enjoyed this, you're gonna love our lemon meringue pie!
 
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Nutrition

Calories: 173kcal | Carbohydrates: 23g | Protein: 3g | Fat: 9g | Sodium: 78mg | Potassium: 110mg | Fiber: 0.2g | Sugar: 20g | Vitamin A: 276IU | Vitamin C: 4mg | Calcium: 76mg