Blueberry Bars

Blueberry bars are a simple summer dessert that come together in less than an hour with minimal prep time! They’re packed with fresh blueberries that are sandwiched between two flaky layers of dough. Lemon juice and zest add sunny brightness while balancing the sweetness. These delicate blueberry crumb bars are perfect for any occasion, and people won’t believe how easy the recipe is! Bring these to your next summer party, picnic or potluck. 

Blueberry bars on a cutting board, shot from overhead

Every year, when summer rolls around and local blueberries start popping up, I’m absolutely giddy. I want to use them in desserts, roast them, make jams and curds, add them to salads, and eat them by the handful. They are little jewels of sweet, juicy flavor.

These blueberry bars are an excellent way to use fresh, seasonal blueberries.

Ingredients to layer blueberry crumb bars, including blueberries and topping.

The dough used for the crumb topping and bottom crust is very mild tasting, even with a bit of lemon zest. The subtle flavor takes a backseat to the sweet and tart blueberries.

Blueberry crumble bar ingredients in an 8x8 inch pan.

The cooked blueberries pop in the oven, letting the juices escape and creating a beautiful looking dessert bar. I always make sure there are a few berries hovering near the top of the crumb layer.

Finished, sliced blueberry crumb bars, shot from overhead.

Because of the egg in the dough, these are very delicate, more so than other bar recipes I’ve made previously (like these strawberry vanilla jam crumb bars, which have an actual shortbread crust). Make sure to cool them completely before slicing, or they’ll fall apart.

Sliced blueberry bars on a cutting board.

Looking For More Blueberry Recipes?

You may like my Goat Cheese Mousse with Roasted Blueberries! I also recommend my Roasted Blueberry Creme Fraiche Ice Cream. If you’re on the hunt for something a bit lighter, I love these Blueberry Yogurt Parfait Pops from Inspired by Charm.

Blueberry bars recipe
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Blueberry Bars

5 from 8 votes
These blueberry bars have delicate flaky layers of a shortbread-like dough that sandwich together a generous filling made from fresh blueberries. Fresh lemon juice and zest add brightness!
Course Dessert
Cuisine American
Keyword blueberry bars
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 9 - 12 bars
Calories 197

Ingredients

For the crumb layer:

  • 7 ounces all-purpose flour (1 1/2 cups, 198 grams)
  • 1 teaspoon grated lemon zest
  • 1/2 cup granulated sugar (3 1/2 ounces, 100 grams)
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon kosher salt
  • 4 ounces unsalted butter, cold and cut into small pieces
  • 1 large egg yolk

for the blueberry layer:

  • 1/4 cup granulated sugar (1 3/4 ounces, 50 grams)
  • 2 teaspoons cornstarch
  • 1 tablespoon lemon juice (approximately 1/2 lemon)
  • 1 teaspoon pure vanilla extract
  • 2 cups fresh blueberries, washed and picked through

Instructions

  • Place an oven rack on the center shelf and preheat the oven to 375 degrees F. Grease a nonstick 8x8 inch pan with butter or baking spray.
  • In a medium-sized bowl, whisk together the flour and lemon zest, breaking up any clumps. Whisk in the sugar, baking powder, and salt until evenly combined. Use a fork or pastry blender to cut in the butter and egg. The dough will be crumbly. Press half the dough into the prepared pan.
  • In a separate medium-sized bowl, stir together the sugar, cornstarch, lemon juice and vanilla until smooth. Add the blueberries and gently toss with a spatula to combine. Pour the blueberry mixture evenly over the crust. Crumble the remaining dough over the blueberry layer.
  • Bake for 38-42 minutes, until the top is golden brown and the sides are slightly bubbly. Cool to room temperature before cutting into squares. Depending on the desired portions, these can be cut to 9 larger squares, 16 smaller squares, or 12 medium rectangles.
  • Store leftovers in an airtight container in the refrigerator for up to 5 days.

Notes

Adapted from Smitten Kitchen

Nutrition

Calories: 197kcal | Carbohydrates: 29g | Protein: 2g | Fat: 8g | Saturated Fat: 5g | Cholesterol: 35mg | Sodium: 51mg | Potassium: 53mg | Fiber: 1g | Sugar: 15g | Vitamin A: 5.4% | Vitamin C: 3.5% | Calcium: 1.5% | Iron: 4.9%

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SHOP THIS POST

These delicate blueberry bars are loaded with blueberries! Flaky shortbread dough is used for both the topping and crust. Lemon juice & zest add brightness. If you’re looking for a blueberry crumb bars recipe, look no further! #blueberry #blueberries #recipe #crumb #bars

About Jennifer Farley

Jennifer graduated from the Culinary Arts program at L’Academie de Cuisine in Maryland, and has worked professionally as a line cook, pastry chef, and cooking instructor. Her cookbook, The Gourmet Kitchen, was published in 2016 by Simon & Schuster.

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