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Mixed Berry Crumble Bars

Buttery oat crumble bars packed with mixed berries—jammy middle, golden edges, easy to cut and pack.

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Mixed Berry Crumble Bars dish plated

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Mixed Berry Crumble Bars

Yield12
Prep15 min
Cook40 min
Total55 min

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Ingredients

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Step by step

Method

4 steps

  1. 1

    Heat oven to 350°F. Line an 8x8 or 9x9 pan with parchment, leaving overhang.

  2. 2

    Stir flour, oats, brown sugar, baking soda, and salt. Add melted butter and vanilla; mix until clumps form and no dry flour remains. Press about two-thirds firmly into the pan for the base.

  3. 3

    Toss berries with granulated sugar, cornstarch, lemon juice, and a pinch of salt. Spread over the crust. Crumble the remaining oat mixture on top.

  4. 4

    Bake 35–42 minutes until the top is golden and the berry juices bubble at the edges. Cool completely in the pan (at least 1 hour) before lifting out and cutting into bars.

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