INGREDIENTS
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For the crust:
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1 Pillsbury refrigerated pie crust, softened as directed on box
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For the filling:
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1 1/4 cups sour cream
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3/4 cup granulated sugar
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1/4 cup all-purpose flour
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1/4 teaspoon salt
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2 teaspoons vanilla
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1 egg
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6 cups thinly sliced peeled baking apples (6 medium)
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For the topping:
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1/2 cup all-purpose flour
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1/2 cup chopped walnuts
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1/4 cup granulated sugar
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1/4 cup packed light brown sugar
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1/2 teaspoon ground cinnamon
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Dash salt
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3 tablespoons cold butter