INGREDIENTS
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FOR THE PIE?
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1 cup sour cream
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1 egg, slightly beaten
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3/4 cup granulated sugar
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1/4 cup all-purpose flour
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1 tsp. vanilla extract
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1/4 tsp. salt
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4 cups peeled, cored and sliced apples (about 6)
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unbaked, 9" pastry pie shell
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FOR THE STREUSEL TOPPING
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2/3 cup all-purpose flour
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1/2 cup brown or granulated white sugar
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1/3 cup butter or margarine
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1/2 tsp. cinnamon
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1/2 cup walnuts, optional?