INGREDIENTS
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2 cups all-purpose flour
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2 tablespoons granulated white sugar
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2 teaspoons grated lemon zest
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pinch of salt
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1/2 cup (1 stick) butter, chilled and cut into small pieces
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1 large Eggland's Best egg
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1 teaspoon vanilla extract
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2 cups fresh blueberries
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1/4 cup granulated white sugar
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1/8 teaspoon ground nutmeg
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5 Tablespoons butter, at room temperature
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1/2 cup (packed) brown sugar
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3/4 cup all-purpose flour
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1/4 cup powdered sugar