INGREDIENTS
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3 cups all-purpose flour
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1 1/2 cups sugar
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1/4 teaspoon salt
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1 1/2 cups (3 sticks) chilled unsalted butter, cut into cubes
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zest of two lemons
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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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3/4 cup all-purpose flour
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pinch of salt
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2 (16-ounce) packages frozen mixd berries, defrosted and drained