Description

Wholesome, juicy blueberry-filled breakfast bars with a buttery oat crust and crumb topping. Perfect for cozy mornings, lunchboxes, or make-ahead snacks.

Ingredients

1 1/2 cups old-fashioned rolled oats
1 cup all-purpose flour
2/3 cup brown sugar
1/2 cup unsalted butter, melted
1/4 tsp salt
1 1/2 cups fresh blueberries
2 tbsp honey or maple syrup
1 tsp lemon zest
1/2 tsp vanilla extract
Optional: 1/3 cup chopped nuts or seeds

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Instructions

Preheat oven to 350°F (175°C). Line an 8-inch square baking pan with parchment paper.
In a bowl, mix oats, flour, brown sugar, and salt. Stir in melted butter until crumbly. Reserve 1/3 for topping and press the rest firmly into the prepared pan.
In another bowl, combine blueberries, honey or maple syrup, lemon zest, and vanilla. Stir gently to coat.
Spread the blueberry mixture over the crust. Sprinkle the reserved oat mixture on top, letting some berries show through.
Bake for 35–40 minutes until golden and fragrant. Cool completely in the pan.
Lift out using parchment and slice into bars. Serve or store as desired.

Notes

Bars are best fully cooled before slicing to avoid sogginess.
To thicken juicy berries, mix 1 tsp cornstarch into filling.
Frozen blueberries work; bake 2–3 minutes longer.
Try adding nuts for extra crunch and nutrition.