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You are here: Home / Bars / Blueberry Crumb Bars

Blueberry Crumb Bars

07/01/2023 by thetimelessbaker Leave a Comment

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Blueberry crumb bars use a buttery cookie layer as both the base and topping with middle layer of ripe blueberries, and a powdered sugar glaze. 

blueberry crumb bars

Blueberry Crumb Bars

Blueberry crumb bars are the perfect bar to make in the summer months when the berries are at their peak!  Here in the midwest, berry season starts in June each summer and runs through the summer months. The recipe for these blueberry crumb bars uses fresh blueberries for the middle layer that is surrounded by a buttery cookie bar base and topping that is finished with a sweet powdered sugar glaze. While you can use frozen berries as a substitution for this recipe, there is nothing like a ripe summer berry! 

blueberry crumb bars

How to Make Blueberry Crumb Bars

Both the base and the top crumb layer for these blueberry crumb bars uses the same buttery cookie layer. Ripe fresh blueberries (you can also substitute frozen blueberries) are baked in the middle layer and these bars are topped with a sweet powdered sugar glaze.

Ingredients

  • 3 cups all-purpose flour
  • 1 1/2 cups granulated sugar, divided
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • Pinch of ground cinnamon
  • 1 cup unsalted butter, softened
  • 2 large eggs, lightly beaten
  • 1 teaspoon vanilla extract
  • 1 Tablespoon cornstarch
  • 4 cups fresh or frozen blueberries
  • 1 cup powdered sugar
  • 1-2 teaspoons powdered sugar

Instructions

In a large mixing bowl, combine the flour, 1 cup of sugar, baking powder, salt and pinch of cinnamon. Cut in the butter until crumbly. Add in beaten eggs and vanilla extract. Press 2/3 of this mixture into a greased 9”x13” baking dish, reserving the remaining 1/3 of the dough for the topping.

In a small mixing bowl, combine the blueberries with the cornstarch and remaining sugar. Spread evenly over crust; sprinkle remaining dough on top of blueberries. Bake at 350℉ 35-40 minutes, or until the edges begin to turn golden brown.

Cool pan on wire rack; once cool, combine powdered sugar and 1-2 teaspoons of water to make a drizzling consistency; drizzle on top of cooled bars and cut into squares when set. Store remaining bars in the refrigerator in an airtight container.

Tips for Blueberry Crumb Bars

  • Ripe blueberries work best for this recipe, however you can sub frozen blueberries instead.
  • You can substitute the same amount of berries for the blueberries in this recipe (such as raspberries, strawberries or cherries).
  • Bars will keep in an airtight container 3-5 days in the refrigerator or up to 45 days in the freezer. 

Made this recipe? Comment or rate below or on Pinterest or Instagram!

Want more blueberry recipes?
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A moist coffee cake studded with fresh blueberries, a hint of lemon and topped with a buttery streusel. Not just for breakfast, great any time!
Check out this recipe
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An easy-to-make citrusy orange quick bread filled with blueberries and drizzled with a sweet orange glaze.
Check out this recipe

Blueberry Crumb Bars

thetimelessbaker
Blueberry crumb bars use a cookie layer as both the base and topping with middle layer of ripe blueberries and topped off with a powdered sugar glaze. 
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 40 minutes mins
cooling time 2 hours hrs
Total Time 3 hours hrs
Course Dessert
Cuisine American
Servings 36 bars
Calories 143 kcal

Equipment

  • 9"x13" baking pan
  • mixing bowls of various sizes

Ingredients
  

  • 3 cups all-purpose flour
  • 1 1/2 cups granulated sugar, divided
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • Pinch of ground cinnamon
  • 1 cup unsalted butter, chilled
  • 2 large eggs, lightly beaten
  • 1 teaspoon vanilla extract
  • 1 Tablespoon cornstarch
  • 4 cups fresh blueberries*
  • 1 cup powdered sugar
  • 1-2 teaspoons powdered sugar

Instructions
 

  • In a large mixing bowl, combine the flour, 1 cup of sugar, baking powder, salt and pinch of cinnamon. Cut in the chilled butter until crumbly.
  • Add in beaten eggs and vanilla extract.
  • Press 2/3 of this mixture into a greased 9”x13” baking dish, reserving the remaining 1/3 of the dough for the topping.
  • In a small mixing bowl, combine the blueberries with the cornstarch and remaining sugar. Spread evenly over crust; sprinkle remaining dough on top of blueberries.
  • Bake at 350℉ 35-40 minutes, or until the edges begin to turn golden brown.
  • Cool pan on wire rack; once cool, combine powdered sugar and 1-2 teaspoons of water to make a drizzling consistency; drizzle on top of cooled bars and cut into squares when set. Store bars in refrigerator.

Notes

  • Ripe blueberries work best for this recipe, however you can sub frozen blueberries instead.
  • You can substitute the same amount of berries for the blueberries in this recipe (such as raspberries, strawberries or cherries).
  • Bars will keep in an airtight container 3-5 days in the refrigerator or up to 45 days in the freezer. 

Nutrition

Serving: 1barCalories: 143kcalCarbohydrates: 22gProtein: 2gFat: 6gSaturated Fat: 3gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 1gTrans Fat: 0.2gCholesterol: 24mgSodium: 49mgPotassium: 30mgFiber: 1gSugar: 13gVitamin A: 182IUVitamin C: 2mgCalcium: 12mgIron: 1mg
Tried this recipe?Mention @thetimelessbaker or tag #thetimelessbaker on Instagram!

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Filed Under: Bars Tagged With: bars, blueberry

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About

Hi, I’m Meredith. I’m a self-taught home baker and lover of old-fashioned and vintage recipes. Here, I love to connect with others through sharing recipes that are inspired by my Midwestern heritage that are classic and timeless. 

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