Description
These blueberry oatmeal crumble bars are buttery, fruity, and packed with wholesome oats! Perfect for breakfast, a snack, or a delicious dessert.
Ingredients
Units
Scale
For the Crust & Crumble:
- 1 1/2 cups old-fashioned oats
- 1 1/4 cups all-purpose flour
- 1/2 cup brown sugar, packed
- 1/2 teaspoon baking powder
- 1/2 teaspoon cinnamon (optional)
- 1/4 teaspoon salt
- 3/4 cup unsalted butter, melted
For the Blueberry Filling:
- 2 cups fresh or frozen blueberries
- 1/3 cup granulated sugar
- 1 tablespoon cornstarch
- 1 teaspoon lemon juice
- 1 teaspoon vanilla extract
Instructions
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Preheat & Prepare Pan:
- Preheat oven to 350°F (175°C).
- Line an 8×8-inch baking pan with parchment paper.
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Make the Oat Crust & Crumble:
- In a large bowl, mix oats, flour, brown sugar, baking powder, cinnamon, and salt.
- Pour in melted butter and stir until the mixture forms a crumbly texture.
- Press two-thirds of the mixture into the bottom of the prepared pan to form the crust.
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Prepare the Blueberry Filling:
- In a saucepan over medium heat, combine blueberries, sugar, cornstarch, lemon juice, and vanilla.
- Cook for 5-7 minutes, stirring, until the mixture thickens.
- Let cool slightly, then spread evenly over the crust.
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Add the Crumble Topping & Bake:
- Sprinkle the remaining oat mixture over the blueberry layer.
- Bake for 30-35 minutes until golden brown and bubbly.
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Cool & Serve:
- Let bars cool completely before slicing.
- Enjoy as is or with a scoop of vanilla ice cream!
Notes
- Swap blueberries for raspberries, blackberries, or mixed berries.
- For a healthier version, use coconut sugar and whole wheat flour.
- Make it gluten-free by using oat flour and certified gluten-free oats.