INGREDIENTS
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3/4 cup whole-wheat flour
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3/4 cup all-purpose flour, plus more for dusting
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1 tablespoon granulated sugar
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2 teaspoons white vinegar
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1/2 teaspoon salt
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10 tablespoons cold unsalted butter, cut into small pieces
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6 cups blueberries
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3/4 cup granulated sugar
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2 wide strips lemon zest
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1 tablespoon fresh lemon juice
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3 tablespoons whole-wheat flour
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1/4 teaspoon freshly grated nutmeg
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1/8 teaspoon salt
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3/4 cup coarsely chopped almonds, walnuts or hazelnuts, toasted
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1/2 cup packed light brown sugar
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1/2 cup whole-wheat flour
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4 tablespoons unsalted butter, melted
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Pinch of salt