"A shortbread base is topped with a creamy blackberry layer and then a streusel top in these Blackberry Pie Bars that you won't be able to keep your hands out of!..."
INGREDIENTS
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3 cups all purpose flour
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1½ cups sugar
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¼ teaspoon salt
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1½ cups chlled unsalted butter, cut into ½-inch cubes
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4 large eggs
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2 cups sugar
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1 cup sour cream
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¾ cup all purpose flour
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Pinch of salt
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2 (16-ounce) packages frozen blackberries, defrosted and drained