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Blueberry Oat Bars

two blueberry oat bar squares on a plate

Blueberry Oat Bars

These Blueberry Oat Bars are absolutely delicious! With a flavourful oat crust and sweet jammy blueberry filling, these taste like a blueberry crumble, but in a bar.
1 hour 20 minutes
16 squares

These Blueberry Oat Bars are a must make if you have fresh (or frozen blueberries) to use up! Oaty and blueberryalicious. Yes.

two blueberry oat bar squares on a plate

About this recipe:

If you love blueberry crisp then you’ll love these Blueberry Oat Bars! These bars are like a blueberry crisp but in bar form. There’s something so absolutely delicious about soft baked sweet oats and jammy blueberry together! SO good.

sliced blueberry oat bars on a piece of parchment paper

Are they dessert? A snack? Breakfast?

The answer is yes. All the above. These Blueberry Oat Bars are delicious for dessert on their own, or with a scoop of vanilla ice cream or a dollop of whipped cream. Or enjoy them at tea time or with coffee for breakfast.

blueberry oat bars on a piece of parchment paper

Blueberry Oat Bars Recipe Tips

Here are my must-read baking tips for the perfect Blueberry Oat Bars:

  • BLUEBERRIES: I usually use fresh blueberries for this recipe, but you can also use frozen blueberries.
  • OATS: Use quick oats.
  • LINE THE PAN: For best results, line the bottom and up the sides of a 9×9 inch baking pan with parchment paper. This makes it easy to remove the bars from the pan, and also prevents the filling from burning on the edges.
  • MAKE THE BLUEBERRY FILLING FIRST. So that it has time to cool slightly before being spread over the top of the oat crust.
  • LET IT CHILL: Don’t try to cut into these baked bars too soon or you will end up with a gooey mess. Allow them to rest/chill for at least 2 hours.
  • STORAGE: Store these blueberry bars in an airtight container for about 3 days. I just keep mine covered on my kitchen counter, but you can store them in the fridge as well.
  • CAN I FREEZE THESE BARS? Technically, yes you can. BUT, keep in mind once they thaw the oat crust may be more soft.
  • SERVING IDEA: These blueberry oat bars are delicious with a scoop of vanilla ice cream or a dollop of whipped cream (try this lemon whipped cream with them…divine!)!
two blueberry oat bar squares on a plate next to more on a piece of parchment paper

Putting the bars together:

Here’s a quick visual on putting the layers of these oat bars together.

a top down image of a pan of unbaked peach oat bars

Add the oat crust layer to the bottom of a parchment paper lined 9 x 9 inch pan.

blueberry oat bars filling in a baking pan

Spread the cooked blueberry layer over the crust.

unbaked blueberry oat bars in a baking pan

Sprinkle the remaining 1/2 cup of oat mixture over the top.

sliced blueberry oat bars on a piece of parchment paper

Bake. Let cool for at least 2 hours, then cut into squares.

sliced blueberry oat bars on a piece of parchment paper
two blueberry oat bar squares on a plate

Blueberry Oat Bars

Jo-Anna Rooney
These Blueberry Oat Bars are absolutely delicious! With a flavourful oat crust and sweet jammy blueberry filling, these taste like a blueberry crumble, but in a bar.
No ratings yet
Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Course Dessert
Servings 16 squares

Ingredients
  

Blueberry Filling:

  • 4 cups fresh blueberries
  • 1/2 cup granulated sugar
  • 1 tbsp water (or lemon juice)

Oat Bar:

  • 1 1/4 cups all purpose flour
  • 1 1/4 cups quick oats
  • 1/2 cup brown sugar
  • 1/2 tsp ground cinnamon
  • 1/4 tsp salt
  • 1/2 cup butter melted

Instructions
 

Getting ready:

  • Preheat your oven to 350 degrees F.
  • Line the bottom and up the sides of a 9 x 9 inch baking pan with parchment paper. Set aside.

Making the Blueberry Filling:

  • In a saucepan add the fresh blueberries, sugar and water.
  • Simmer on low-medium heat for about 20 – 30 minutes. The timing can vary depending on how juicy the blueberries are. When done, the mixture should be jammy in consistency but still chunky.
  • Set aside to cool.

Making the Oat Bar:

  • In a large mixing bowl combine the flour, oats, sugar, cinnamon and salt.
  • Stir in the melted butter. Mix until combined.
  • Measure out 1/2 cup of the oat mixture and set it aside for later (this is the topping).
  • Add the remaining oat mixture to the prepared baking pan. Press the mixture firmly and evenly into the bottom the pan.

Putting it all together:

  • Spread the cooked blueberry mixture evenly over the bottom oat crust.
  • Sprinkle the 1/2 cup of oat mixture you had set aside, over the top of the blueberry mixture. You can sprinkle it evenly or randomly over the top.
  • Bake for 1 hour, until the top is golden brown and the blueberries are bubbling.
  • Let cool for at least 2 hours before cutting!
Keyword blueberry bars, blueberry oat bars
Did you try this recipe?Follow and tag @prettysuburbs on Pinterest so we can see what you’ve made!

Have a delicious day!

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