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Blueberry Crumble Bars

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Ingredients

Warning0 allergens identified

Blueberry Crumble Bars

For the Oatmeal Crumble

1 ¼ cups all purpose flour

1 ¼ cups old fashioned rolled oats

⅓ cup coconut sugar

1 tsp ground cinnamon

¼ tsp sea salt

¾ cup unsalted buttercold, cut into small cubes

For the Filling

3 cups blueberries

½ cup coconut sugar

1 tbsp lemon zest

2 tablespoons fresh lemon juice

2 tablespoons cornstarch

Instructions

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Instructions

Preheat the oven to 350 degrees. Line an 8x8" baking dish with parchment paper or foil. Place the flour, oats, 1/3 cup sugar, cinnamon and salt in a medium bowl and stir well to combine.

Add the cold cubes of butter to the dry ingredients. Using a pastry cutter, fork or your hands, work the butter into the dry ingredients until the mixture resembles pea-sized crumbles.

Place the blueberries, 1/2 cup sugar, lemon zest and juice, and cornstarch in a medium bowl and stir until combined.

Press 2/3 of the oat crumble into the bottom of the prepared pan.

Pour the blueberry mixture evenly over the crumble.

Sprinkle the remaining 1/3 of the crumble over the blueberry mixture.

Bake for about 50 minutes until the center is bubbly, covering with foil after 30 minutes if the crumble is browning too quickly. Cool the blueberry crumble bars completely on a wire rack for a minimum of 3 hours or overnight until set. Cut into bars and enjoy!

Nutrition

My Calorie Intake

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Tips & Tricks (5)

Macerate Your Blueberries 🫐
Toss fresh blueberries with lemon zest, lemon juice, and coconut sugar 15-20 minutes before assembling to release their natural juices and intensify flavor, creating a more cohesive filling.
Toast Your Oats First 🌾
Lightly toast the old-fashioned rolled oats in a dry pan for 2-3 minutes before mixing into the crumble topping to add depth and nutty complexity that elevates the final texture.
Chill Butter for Crumbly Texture 🧈
Use cold, cubed unsalted butter and keep it chilled throughout mixing to ensure large, distinct crumbles rather than a dense paste that won't provide the desired crispy texture.
Layer Strategically for Even Baking 📚
Create three distinct layers: base crumble (slightly compressed), blueberry filling in the center, then top crumble layer to prevent the filling from seeping into the bottom and ensure balanced texture throughout.
Cool Completely Before Cutting ❄️
Let bars cool completely at room temperature, then refrigerate for at least 2 hours before cutting into clean, portable pieces that hold their shape perfectly for picnics or potlucks.